@article{1102811279,
author = {Nagle, R. Kent},
title = {Monotonicity and alternative methods for nonlinear boundary value problems.},
journal = {Pacific J. Math.},
volume = {73},
number = {2},
year = {1977},
pages = { 197-206},
language = {en},
url = {http://dml.mathdoc.fr/item/1102811279}
}
Nagle, R. Kent. Monotonicity and alternative methods for nonlinear boundary value problems.. Pacific J. Math., Tome 73 (1977) no. 2, pp. 197-206. http://gdmltest.u-ga.fr/item/1102811279/