Rachůnková, I.; Stryja, J.
(Нелінійні коливання, 2008)
We assume that A₁, A₂ ⊂ R are closed intervals containing 0, ϕ is an increasing odd homeomorphism with ϕ(R) = R and T ∈ (0,∞). We will study the singular Dirichlet problem of the form (ϕ(u' ))] + f(t, u, u' ) = 0 , u(0) = ...