Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1962_144_1_a8, author = {I. T. Kiguradze}, title = {The capability of certain solutions of ordinary differential equations to oscillate}, journal = {Doklady Akademii Nauk}, pages = {33--36}, publisher = {mathdoc}, volume = {144}, number = {1}, year = {1962}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1962_144_1_a8/} }
I. T. Kiguradze. The capability of certain solutions of ordinary differential equations to oscillate. Doklady Akademii Nauk, Tome 144 (1962) no. 1, pp. 33-36. http://geodesic.mathdoc.fr/item/DAN_1962_144_1_a8/