Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{ARM_1987__23_2_a5, author = {Schwabik, \v{S}tefan}, title = {Generalized {Sturm-Liouville} equations}, journal = {Archivum mathematicum}, pages = {95--107}, publisher = {mathdoc}, volume = {23}, number = {2}, year = {1987}, mrnumber = {930326}, zbl = {0632.34004}, language = {en}, url = {http://geodesic.mathdoc.fr/item/ARM_1987__23_2_a5/} }
Schwabik, Štefan. Generalized Sturm-Liouville equations. Archivum mathematicum, Tome 23 (1987) no. 2, pp. 95-107. http://geodesic.mathdoc.fr/item/ARM_1987__23_2_a5/