@article{1181073057,
author = {Hankerson, Darrel and Peterson, Allan},
title = {Positive solutions of a boundary value problem},
journal = {Rocky Mountain J. Math.},
volume = {20},
number = {4},
year = {1990},
pages = { 997-1002},
language = {en},
url = {http://dml.mathdoc.fr/item/1181073057}
}
Hankerson, Darrel; Peterson, Allan. Positive solutions of a boundary value problem. Rocky Mountain J. Math., Tome 20 (1990) no. 4, pp. 997-1002. http://gdmltest.u-ga.fr/item/1181073057/