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@article{DAN_1990_314_2_a12, author = {G. G. Bulychev}, title = {The characteristic form of equations in the dynamics of}, journal = {Doklady Akademii Nauk}, pages = {312--316}, publisher = {mathdoc}, volume = {314}, number = {2}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1990_314_2_a12/} }
G. G. Bulychev. The characteristic form of equations in the dynamics of. Doklady Akademii Nauk, Tome 314 (1990) no. 2, pp. 312-316. http://geodesic.mathdoc.fr/item/DAN_1990_314_2_a12/