海量图书期刊资源,随时随地畅享阅读乐趣
Nonlinear Discrete Periodic Boundary Value Problems at ResonanceMa, Ruyun; Ma, Huili · Advances in Difference Equations · 2009
Positive solutions for nonlinear discrete periodic boundary value problemsRuyun Ma; Huili Ma · 2010
Global structure of positive solutions for superlinear discrete boundary value problemsMa, Ruyun; Ma, Huili · Journal of Difference Equations and Applications · 2011
Existence of sign-changing periodic solutions of second order difference equationsRuyun Ma; Huili Ma · Applied Mathematics and Computation · 2008