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@article{IVM_1989_7_a6, author = {Yu. D. Churbanov}, title = {$\Phi$-spaces and their subspaces that allow invariant framings}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {46--52}, publisher = {mathdoc}, number = {7}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1989_7_a6/} }
Yu. D. Churbanov. $\Phi$-spaces and their subspaces that allow invariant framings. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 7 (1989), pp. 46-52. http://geodesic.mathdoc.fr/item/IVM_1989_7_a6/