@article{bwmeta1.element.desklight-d0677ae8-a250-4313-a03e-1b218c447a1e,
author = {Dang Dinh Hai},
title = {Multiple solutions for a nonlinear second order differential equation},
journal = {Annales Polonici Mathematici},
volume = {51},
year = {1990},
pages = {161-164},
zbl = {0724.34021},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.desklight-d0677ae8-a250-4313-a03e-1b218c447a1e}
}
Dang Dinh Hai. Multiple solutions for a nonlinear second order differential equation. Annales Polonici Mathematici, Tome 51 (1990) pp. 161-164. http://gdmltest.u-ga.fr/item/bwmeta1.element.desklight-d0677ae8-a250-4313-a03e-1b218c447a1e/