Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1980_16_11_a19, author = {V. V. Amel'kin}, title = {Superharmonic oscillations of totally integrable linear systems}, journal = {Differencialʹnye uravneni\^a}, pages = {2089--2091}, publisher = {mathdoc}, volume = {16}, number = {11}, year = {1980}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1980_16_11_a19/} }
V. V. Amel'kin. Superharmonic oscillations of totally integrable linear systems. Differencialʹnye uravneniâ, Tome 16 (1980) no. 11, pp. 2089-2091. http://geodesic.mathdoc.fr/item/DE_1980_16_11_a19/