@article{1181070246,
author = {Davis, John M. and Erbe, Lynn H. and Henderson, Johnny},
title = {Multiplicity of Positive Solutions for Higher Order Sturm-Liouville Problems},
journal = {Rocky Mountain J. Math.},
volume = {31},
number = {4},
year = {2001},
pages = { 169-184},
language = {en},
url = {http://dml.mathdoc.fr/item/1181070246}
}
Davis, John M.; Erbe, Lynn H.; Henderson, Johnny. Multiplicity of Positive Solutions for Higher Order Sturm-Liouville Problems. Rocky Mountain J. Math., Tome 31 (2001) no. 4, pp. 169-184. http://gdmltest.u-ga.fr/item/1181070246/