Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1976__26_4_a6, author = {Rovder, Jozef}, title = {A note on comparison theorems for third-order linear differential equations}, journal = {Mathematica slovaca}, pages = {323--327}, publisher = {mathdoc}, volume = {26}, number = {4}, year = {1976}, mrnumber = {0430418}, zbl = {0404.34028}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1976__26_4_a6/} }
Rovder, Jozef. A note on comparison theorems for third-order linear differential equations. Mathematica slovaca, Tome 26 (1976) no. 4, pp. 323-327. http://geodesic.mathdoc.fr/item/MASLO_1976__26_4_a6/