期刊名称:International Journal of Differential Equations
印刷版ISSN:1687-9643
电子版ISSN:1687-9651
出版年度:2009
卷号:2009
DOI:10.1155/2009/145213
出版社:Hindawi Publishing Corporation
摘要:We investigate the existence of analytic solutions of a class of second-order differential equations involving iterates of the unknown function 𝑥(𝑧)