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@article{MO_2019_91_3_a1, author = {G. A. Klekovkin}, title = {On spatial spirals, finished}, journal = {Matemati\v{c}eskoe obrazovanie}, pages = {7--17}, publisher = {mathdoc}, volume = {91}, number = {3}, year = {2019}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MO_2019_91_3_a1/} }
G. A. Klekovkin. On spatial spirals, finished. Matematičeskoe obrazovanie, Tome 91 (2019) no. 3, pp. 7-17. http://geodesic.mathdoc.fr/item/MO_2019_91_3_a1/