@article{1206136781,
author = {Yoshida, Norio},
title = {Nonoscillation criteria for fourth order elliptic equations},
journal = {Hiroshima Math. J.},
volume = {5},
number = {3},
year = {1975},
pages = { 23-31},
language = {en},
url = {http://dml.mathdoc.fr/item/1206136781}
}
Yoshida, Norio. Nonoscillation criteria for fourth order elliptic equations. Hiroshima Math. J., Tome 5 (1975) no. 3, pp. 23-31. http://gdmltest.u-ga.fr/item/1206136781/