@article{bwmeta1.element.bwnjournal-article-cmv18i1n1,
author = {A. Lasota and Z. Opial},
title = {On the existence and uniqueness of solutions of a boundary value problem for an ordinary second-order differential equation},
journal = {Colloquium Mathematicae},
volume = {18},
year = {1967},
pages = {1-5},
zbl = {0155.41401},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-cmv18i1n1}
}
A. Lasota; Z. Opial. On the existence and uniqueness of solutions of a boundary value problem for an ordinary second-order differential equation. Colloquium Mathematicae, Tome 18 (1967) pp. 1-5. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-cmv18i1n1/