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@article{IVM_2001_6_a6, author = {D. V. Pashutkin}, title = {On the reducibility of nonlinear differential-equations to block-triangular form}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {50--57}, publisher = {mathdoc}, number = {6}, year = {2001}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_2001_6_a6/} }
D. V. Pashutkin. On the reducibility of nonlinear differential-equations to block-triangular form. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 6 (2001), pp. 50-57. http://geodesic.mathdoc.fr/item/IVM_2001_6_a6/