{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T10:42:59Z","timestamp":1740134579271,"version":"3.37.3"},"reference-count":17,"publisher":"Wiley","license":[{"start":{"date-parts":[[2013,1,1]],"date-time":"2013-01-01T00:00:00Z","timestamp":1356998400000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["11171078","IRT1226","20114410110002","10A012"],"award-info":[{"award-number":["11171078","IRT1226","20114410110002","10A012"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Program for Changjiang Scholars and Innovative Research Team in University","award":["11171078","IRT1226","20114410110002","10A012"],"award-info":[{"award-number":["11171078","IRT1226","20114410110002","10A012"]}]},{"name":"Doctoral Program of Higher Education of China","award":["11171078","IRT1226","20114410110002","10A012"],"award-info":[{"award-number":["11171078","IRT1226","20114410110002","10A012"]}]},{"name":"SRF of Guangzhou Education Bureau","award":["11171078","IRT1226","20114410110002","10A012"],"award-info":[{"award-number":["11171078","IRT1226","20114410110002","10A012"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Applied Mathematics"],"published-print":{"date-parts":[[2013]]},"abstract":"<jats:p>We study the existence of ground state solutions of the periodic discrete coupled nonlinear Schr\u00f6dinger lattice by using the Nehari manifold approach combined with periodic approximations. 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