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@article{IVM_1981_4_a3, author = {P. Ya. Grushko and E. N. Kashcheeva}, title = {Pseudostructures in the theory of immersed manifolds}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {16--19}, publisher = {mathdoc}, number = {4}, year = {1981}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1981_4_a3/} }
P. Ya. Grushko; E. N. Kashcheeva. Pseudostructures in the theory of immersed manifolds. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 4 (1981), pp. 16-19. http://geodesic.mathdoc.fr/item/IVM_1981_4_a3/