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@article{IVM_1997_11_a0, author = {M. V. Bulatov}, title = {A~perturbation method for differential-algebraic systems}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {3--9}, publisher = {mathdoc}, number = {11}, year = {1997}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1997_11_a0/} }
M. V. Bulatov. A~perturbation method for differential-algebraic systems. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 11 (1997), pp. 3-9. http://geodesic.mathdoc.fr/item/IVM_1997_11_a0/