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@article{MASLO_1991__41_2_a5, author = {Fe\v{c}kan, Michal}, title = {Positive solutions of a certain type of two-point boundary value problems}, journal = {Mathematica slovaca}, pages = {179--187}, publisher = {mathdoc}, volume = {41}, number = {2}, year = {1991}, mrnumber = {1108580}, zbl = {0753.34011}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1991__41_2_a5/} }
Fečkan, Michal. Positive solutions of a certain type of two-point boundary value problems. Mathematica slovaca, Tome 41 (1991) no. 2, pp. 179-187. http://geodesic.mathdoc.fr/item/MASLO_1991__41_2_a5/