{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,8]],"date-time":"2025-07-08T04:04:36Z","timestamp":1751947476439,"version":"3.41.2"},"reference-count":10,"publisher":"Springer Science and Business Media LLC","issue":"1-4","license":[{"start":{"date-parts":[[1999,9,1]],"date-time":"1999-09-01T00:00:00Z","timestamp":936144000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"},{"start":{"date-parts":[[1999,9,1]],"date-time":"1999-09-01T00:00:00Z","timestamp":936144000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Numerical Algorithms"],"published-print":{"date-parts":[[1999,9]]},"DOI":"10.1023\/a:1019121832607","type":"journal-article","created":{"date-parts":[[2003,2,19]],"date-time":"2003-02-19T23:30:27Z","timestamp":1045697427000},"page":"9-21","source":"Crossref","is-referenced-by-count":1,"title":["First order spectrum for elliptic system and nonresonance problem"],"prefix":"10.1007","volume":"21","author":[{"given":"A.","family":"Anane","sequence":"first","affiliation":[]},{"given":"O.","family":"Chakrone","sequence":"additional","affiliation":[]},{"given":"Z.","family":"El Allali","sequence":"additional","affiliation":[]}],"member":"297","reference":[{"key":"329334_CR1","doi-asserted-by":"publisher","first-page":"291","DOI":"10.2307\/2045393","volume":"94","author":"W. Allegretto","year":"1985","unstructured":"W. Allegretto, Sturmian theorems for second order systems, Proc. Amer. Math. Soc. 94 (1985) 291\u2013296.","journal-title":"Proc. Amer. Math. Soc."},{"key":"329334_CR2","doi-asserted-by":"crossref","first-page":"33","DOI":"10.1016\/S0764-4442(97)83929-8","volume":"325","author":"A. Anane","year":"1997","unstructured":"A. Anane, O. Chakrone and J.P. Gossez, Spectre d'ordre sup\u00e9rieur et probl\u00e8me de non-r\u00e9sonance, C. R. Acad. Sci. Paris S\u00e9r. I 325 (1997) 33\u201336.","journal-title":"C. R. Acad. Sci. Paris S\u00e9r. I"},{"key":"329334_CR3","unstructured":"A. Anane, O. Chakrone and J.P. Gossez, Spectre d'ordre sup\u00e9rieur et probl\u00e8me aux limites quasilin \u00e9aires, to appear."},{"key":"329334_CR4","first-page":"113","volume":"287","author":"H. Brezis","year":"1978","unstructured":"H. Brezis and F. Browder, Sur une propri\u00e9t\u00e9 des espaces de Sobolev, C. R. Acad. Sci. Paris 287 (1978) 113\u2013115.","journal-title":"C. R. Acad. Sci. Paris"},{"key":"329334_CR5","volume-title":"Nonlinear Mapping of Monotone Type (Classification and Degree Theory)","author":"J. Berkovits","year":"1988","unstructured":"J. Berkovits and V. Mustonen, Nonlinear Mapping of Monotone Type (Classification and Degree Theory) (Math. University Oulu, Linnamaa, Oulu, Finland, 1988)."},{"issue":"7","key":"329334_CR6","doi-asserted-by":"publisher","first-page":"699","DOI":"10.1016\/0362-546X(94)00180-P","volume":"25","author":"D.G. Costa","year":"1995","unstructured":"D.G. Costa and C.A. Magalh\u00e3es, A variational approach to noncooperative elliptic systems, Nonlinear Anal. 25(7) (1995) 699\u2013715.","journal-title":"Nonlinear Anal."},{"key":"329334_CR7","doi-asserted-by":"publisher","first-page":"850","DOI":"10.1137\/0517061","volume":"17","author":"R.S. Cantrell","year":"1986","unstructured":"R.S. Cantrell and K. Shmitt, On the eigenvalue problem for elliptic systems, SIAM J. Math. Anal. 17 (1986) 850\u2013862.","journal-title":"SIAM J. Math. Anal."},{"key":"329334_CR8","doi-asserted-by":"crossref","unstructured":"D. De Feguiredo, Positive solutions of semilinear elliptic equations, in: Lecture Notes in Mathematics 957 (Springer, 1982) pp. 34\u201387.","DOI":"10.1007\/BFb0066233"},{"key":"329334_CR9","doi-asserted-by":"publisher","first-page":"5","DOI":"10.1016\/0362-546X(87)90023-X","volume":"11","author":"T. Del Vecchio","year":"1987","unstructured":"T. Del Vecchio, Strongly nonlinear problems with gradient dependent lower order nonlinearity, Nonlinear Anal. 11 (1987) 5\u201315.","journal-title":"Nonlinear Anal."},{"key":"329334_CR10","doi-asserted-by":"publisher","first-page":"151","DOI":"10.1007\/BF00250649","volume":"81","author":"P. Hess","year":"1983","unstructured":"P. Hess, On the eigenvalue problem for weakly coupled elliptic systems, Arch. Rational Mech. Anal. 81 (1983) 151\u2013159.","journal-title":"Arch. Rational Mech. Anal."}],"container-title":["Numerical Algorithms"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1023\/A:1019121832607.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1023\/A:1019121832607\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1023\/A:1019121832607.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,7,7]],"date-time":"2025-07-07T06:46:20Z","timestamp":1751870780000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1023\/A:1019121832607"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1999,9]]},"references-count":10,"journal-issue":{"issue":"1-4","published-print":{"date-parts":[[1999,9]]}},"alternative-id":["329334"],"URL":"https:\/\/doi.org\/10.1023\/a:1019121832607","relation":{},"ISSN":["1017-1398","1572-9265"],"issn-type":[{"type":"print","value":"1017-1398"},{"type":"electronic","value":"1572-9265"}],"subject":[],"published":{"date-parts":[[1999,9]]}}}