On the existence of periodic oscillations for pendulum-type equations
ISSN: 2191-950X, 2191-9496
Year of publication: 2020
Volume: 10
Issue: 1
Pages: 121-130
Type: Article
ISSN: 2191-950X, 2191-9496
Year of publication: 2020
Volume: 10
Issue: 1
Pages: 121-130
Type: Article