{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T13:56:47Z","timestamp":1753883807431,"version":"3.41.2"},"reference-count":13,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2010,4,7]],"date-time":"2010-04-07T00:00:00Z","timestamp":1270598400000},"content-version":"vor","delay-in-days":96,"URL":"http:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"funder":[{"DOI":"10.13039\/501100004515","name":"Universiti Kebangsaan Malaysia","doi-asserted-by":"publisher","award":["UKM-ST-06-FRGS0107-2009"],"award-info":[{"award-number":["UKM-ST-06-FRGS0107-2009"]}],"id":[{"id":"10.13039\/501100004515","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["International Journal of Mathematics and Mathematical Sciences"],"published-print":{"date-parts":[[2010,1]]},"abstract":"<jats:p>A new generalised derivative operator  is introduced. This operator generalised many well\u2010known operators studied earlier by many authors. Using the technique of differential subordination, we will study some of the properties of differential subordination. In addition we investigate several interesting properties of the new generalised derivative operator.<\/jats:p>","DOI":"10.1155\/2010\/369078","type":"journal-article","created":{"date-parts":[[2010,4,7]],"date-time":"2010-04-07T15:30:25Z","timestamp":1270654225000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Differential Subordination Defined by New Generalised Derivative Operator for Analytic Functions"],"prefix":"10.1155","volume":"2010","author":[{"given":"Ma\u2032moun","family":"Harayzeh Al-Abbadi","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maslina","family":"Darus","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2010,4,7]]},"reference":[{"key":"e_1_2_5_1_2","first-page":"107","article-title":"Certain applications of differential subordination","volume":"39","author":"Padmanabhan K. 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