Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1975__25_3_a5, author = {Rovder, Jozef}, title = {Oscillation criteria for third-order linear differential equations}, journal = {Mathematica slovaca}, pages = {231--244}, publisher = {mathdoc}, volume = {25}, number = {3}, year = {1975}, mrnumber = {0412521}, zbl = {0309.34028}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1975__25_3_a5/} }
Rovder, Jozef. Oscillation criteria for third-order linear differential equations. Mathematica slovaca, Tome 25 (1975) no. 3, pp. 231-244. http://geodesic.mathdoc.fr/item/MASLO_1975__25_3_a5/