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@article{MZM_1987_41_4_a13, author = {V. T. Lisitsa}, title = {$n${-Dimensional} helicoidal surfaces in {Euclidean} space $E^m$}, journal = {Matemati\v{c}eskie zametki}, pages = {549--556}, publisher = {mathdoc}, volume = {41}, number = {4}, year = {1987}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1987_41_4_a13/} }
V. T. Lisitsa. $n$-Dimensional helicoidal surfaces in Euclidean space $E^m$. Matematičeskie zametki, Tome 41 (1987) no. 4, pp. 549-556. http://geodesic.mathdoc.fr/item/MZM_1987_41_4_a13/