Lomtatidze, A.; Opluštil, Z.; Šremr, J.
(Нелінійні коливання, 2009)
In the paper, efficient conditions are found guaranteeing that every solution to the problem
u'(t) ≥ ι(u)(t), u(a) ≥ h(u)
is nonpositive, where ι : C([a, b]; R) → L([a, b]; R) and h : C([a, b]; R) → R are linear bounded ...