00606naa#a2200205#i#450# EN\INFRA-M\bibl\23602 20240426173637.5 2308-4898 20181114b2018####ek#y0engy0150####ca RUS RU Projection by Conical Helical Lines With Constant Pitch Journal article Moscow INFRA-M Academic Publishing LLC. 2018 6 с. Journal article local Математика. 51 RUS Denisova E. V. Husnetdinov Timur Rustyamovich Voronina M. V. riorpub.com