Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1990_48_6_a19, author = {L. Yu. Motylev}, title = {Asymptotics near a~turning point for a~second-order nonlinear equation}, journal = {Matemati\v{c}eskie zametki}, pages = {145--146}, publisher = {mathdoc}, volume = {48}, number = {6}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1990_48_6_a19/} }
L. Yu. Motylev. Asymptotics near a~turning point for a~second-order nonlinear equation. Matematičeskie zametki, Tome 48 (1990) no. 6, pp. 145-146. http://geodesic.mathdoc.fr/item/MZM_1990_48_6_a19/