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@article{IVM_1997_9_a4, author = {P. E. Markov}, title = {General analytic and infinitesimal deformations of {immersions.~I}}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {21--34}, publisher = {mathdoc}, number = {9}, year = {1997}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1997_9_a4/} }
P. E. Markov. General analytic and infinitesimal deformations of immersions.~I. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 9 (1997), pp. 21-34. http://geodesic.mathdoc.fr/item/IVM_1997_9_a4/