A two point boundary value problem for a nonlinear second-order differential equation, and some theorems on intermediate values. (English. Russian original) Zbl 0106.05703
Sov. Math., Dokl. 2, 966-968 (1961); translation from Dokl. Akad. Nauk 139, 541-543 (1961).
MSC:
34B10 | Nonlocal and multipoint boundary value problems for ordinary differential equations |