nonlinear differential systems;
positive solutions;
upper and lower solutions;
fixed point theorem;
D O I:
10.1016/j.na.2004.11.013
中图分类号:
O29 [应用数学];
学科分类号:
070104 ;
摘要:
The existence of positive solutions for Dirichlet boundary value problem of some nonlinear differential systems is discussed. (c) 2004 Elsevier Ltd. All rights reserved.