Ve. Slyusarchuk, Necessary and sufficient conditions for existence and uniqueness of bounded and almost-periodic solutions of nonlinear differential equations, ACT APPL MA, 65(1-3), 2001, pp. 333-341
Necessary and sufficient conditions of the existence and uniqueness of boun
ded and almost-periodic solutions of nonlinear dif ferential equation dx/dt
+ f(x) = h(t), t is an element of R, are obtained. Here f: R --> R is cont
inuous, h: R --> R is continuous and bounded.