Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_2001__51_5_a4, author = {Olach, Rudolf}, title = {Oscillation of first order linear retarded equations}, journal = {Mathematica slovaca}, pages = {547--557}, publisher = {mathdoc}, volume = {51}, number = {5}, year = {2001}, mrnumber = {1899275}, zbl = {1012.34064}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_2001__51_5_a4/} }
Olach, Rudolf. Oscillation of first order linear retarded equations. Mathematica slovaca, Tome 51 (2001) no. 5, pp. 547-557. http://geodesic.mathdoc.fr/item/MASLO_2001__51_5_a4/