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@article{MO_2019_90_2_a2, author = {G. A. Klekovkin}, title = {On spatial spirals}, journal = {Matemati\v{c}eskoe obrazovanie}, pages = {20--30}, publisher = {mathdoc}, volume = {90}, number = {2}, year = {2019}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MO_2019_90_2_a2/} }
G. A. Klekovkin. On spatial spirals. Matematičeskoe obrazovanie, Tome 90 (2019) no. 2, pp. 20-30. http://geodesic.mathdoc.fr/item/MO_2019_90_2_a2/