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@article{IVM_1977_2_a18, author = {B. P. Komrakov}, title = {Principal toroidal bundles, and $f$-structures}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {127--130}, publisher = {mathdoc}, number = {2}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1977_2_a18/} }
B. P. Komrakov. Principal toroidal bundles, and $f$-structures. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 2 (1977), pp. 127-130. http://geodesic.mathdoc.fr/item/IVM_1977_2_a18/