@article{SVMO_2022_24_1_a2, author = {E. Ya. Gurevich and N. S. Denisova}, title = {On a topological classification of multidimensional polar flows}, journal = {\v{Z}urnal Srednevol\v{z}skogo matemati\v{c}eskogo ob\^{s}estva}, pages = {31--39}, publisher = {mathdoc}, volume = {24}, number = {1}, year = {2022}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/SVMO_2022_24_1_a2/} }