%0 Journal Article %T Projection by Conical Helical Lines With Constant Pitch %A Denisova, E.V. %A Husnetdinov, T.R. %A Voronina, M.V. %K unconventional projection system, congruence, conic helical line, helical surface, form generation. %J Geometry & Graphics %D 2018 %N 6 %P 6 %I INFRA-M Academic Publishing LLC.