@article{1181071741,
author = {Al-Hammadi, A.S.A.},
title = {Asymptotic Formulae of Liouville-Green Type for a General Fourth-Order Differential Equation},
journal = {Rocky Mountain J. Math.},
volume = {28},
number = {4},
year = {1998},
pages = { 801-812},
language = {en},
url = {http://dml.mathdoc.fr/item/1181071741}
}
Al-Hammadi, A.S.A. Asymptotic Formulae of Liouville-Green Type for a General Fourth-Order Differential Equation. Rocky Mountain J. Math., Tome 28 (1998) no. 4, pp. 801-812. http://gdmltest.u-ga.fr/item/1181071741/