Xu, Y. (2012). Existence and uniqueness of almost periodic solutions for a class of nonlinear Duffing system with time-varying delays. University of Szeged.
Chicago Style (17th ed.) CitationXu, Yanli. Existence and Uniqueness of Almost Periodic Solutions for a Class of Nonlinear Duffing System with Time-varying Delays. University of Szeged, 2012.
MLA (9th ed.) CitationXu, Yanli. Existence and Uniqueness of Almost Periodic Solutions for a Class of Nonlinear Duffing System with Time-varying Delays. University of Szeged, 2012.
Warning: These citations may not always be 100% accurate.