@article{1206133153,
author = {Trench, William F.},
title = {Asymptotic theory of perturbed general disconjugate equations. II},
journal = {Hiroshima Math. J.},
volume = {14},
number = {2},
year = {1984},
pages = { 169-187},
language = {en},
url = {http://dml.mathdoc.fr/item/1206133153}
}
Trench, William F. Asymptotic theory of perturbed general disconjugate equations. II. Hiroshima Math. J., Tome 14 (1984) no. 2, pp. 169-187. http://gdmltest.u-ga.fr/item/1206133153/