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@article{CMUC_1989__30_3_a15, author = {Quittner, Pavol}, title = {On positive solutions of semilinear elliptic problems}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {579--585}, publisher = {mathdoc}, volume = {30}, number = {3}, year = {1989}, mrnumber = {1031874}, zbl = {0698.35057}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1989__30_3_a15/} }
Quittner, Pavol. On positive solutions of semilinear elliptic problems. Commentationes Mathematicae Universitatis Carolinae, Tome 30 (1989) no. 3, pp. 579-585. http://geodesic.mathdoc.fr/item/CMUC_1989__30_3_a15/