@article{1181072655,
author = {Eloe, Paul W. and Hankerson, Darrell and Henderson, Johnny},
title = {Positive Solutions and $J$-Focal Points for Two Point Boundary Value Problems},
journal = {Rocky Mountain J. Math.},
volume = {22},
number = {4},
year = {1992},
pages = { 1283-1293},
language = {en},
url = {http://dml.mathdoc.fr/item/1181072655}
}
Eloe, Paul W.; Hankerson, Darrell; Henderson, Johnny. Positive Solutions and $J$-Focal Points for Two Point Boundary Value Problems. Rocky Mountain J. Math., Tome 22 (1992) no. 4, pp. 1283-1293. http://gdmltest.u-ga.fr/item/1181072655/