Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1989__39_3_a10, author = {Seman, J\'an}, title = {Oscillation theorems for second order nonlinear delay inequalities}, journal = {Mathematica slovaca}, pages = {313--322}, publisher = {mathdoc}, volume = {39}, number = {3}, year = {1989}, mrnumber = {1016348}, zbl = {0698.34058}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1989__39_3_a10/} }
Seman, Ján. Oscillation theorems for second order nonlinear delay inequalities. Mathematica slovaca, Tome 39 (1989) no. 3, pp. 313-322. http://geodesic.mathdoc.fr/item/MASLO_1989__39_3_a10/