LDR 00503naa#a2200181#i#450# 001 EN\INFRA-M\bibl\19048 005 20210416203009.5 011 ## _a2308-4898 100 ## _a20171213b2017####ek#y0engy0150####ca 101 0# _aRUS 102 ## _aRU 200 1# _aFormation of Cyclic Surfaces in Kinetic Geometry _eArticle 210 1# _aMoscow _cINFRA-M Academic Publishing LLC. _d2017 215 ## _a12 с. 608 ## _aArticle _2local 675 ## _aМатематика. 51 _zRUS 700 #1 _aSal'kov _gN. A. 856 4# _ariorpub.com _u