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@article{DAN_1981_261_1_a16, author = {M. M. Khapaev and O. P. Filatov}, title = {On averaging and stability in systems with singularities}, journal = {Doklady Akademii Nauk}, pages = {67--70}, publisher = {mathdoc}, volume = {261}, number = {1}, year = {1981}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1981_261_1_a16/} }
M. M. Khapaev; O. P. Filatov. On averaging and stability in systems with singularities. Doklady Akademii Nauk, Tome 261 (1981) no. 1, pp. 67-70. http://geodesic.mathdoc.fr/item/DAN_1981_261_1_a16/