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@article{MZM_1991_49_5_a3, author = {N. A. Bykov}, title = {Smoothly versal deformations of coarse vector fields on a circumference}, journal = {Matemati\v{c}eskie zametki}, pages = {26--31}, publisher = {mathdoc}, volume = {49}, number = {5}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1991_49_5_a3/} }
N. A. Bykov. Smoothly versal deformations of coarse vector fields on a circumference. Matematičeskie zametki, Tome 49 (1991) no. 5, pp. 26-31. http://geodesic.mathdoc.fr/item/MZM_1991_49_5_a3/