@article{1250128316,
author = {Zwahlen, B.},
title = {Perturbation of a boundary value problem with positive, increasing and convex nonlinearity},
journal = {Rocky Mountain J. Math.},
volume = {12},
number = {4},
year = {1982},
pages = { 219-224},
language = {en},
url = {http://dml.mathdoc.fr/item/1250128316}
}
Zwahlen, B. Perturbation of a boundary value problem with positive, increasing and convex nonlinearity. Rocky Mountain J. Math., Tome 12 (1982) no. 4, pp. 219-224. http://gdmltest.u-ga.fr/item/1250128316/