Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1983_2_a8, author = {L. D. \`Eskin}, title = {Asymptotic solutions of higher-order scalar equations}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {80--88}, publisher = {mathdoc}, number = {2}, year = {1983}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1983_2_a8/} }
L. D. Èskin. Asymptotic solutions of higher-order scalar equations. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 2 (1983), pp. 80-88. http://geodesic.mathdoc.fr/item/IVM_1983_2_a8/