LDR 00550naa#a2200181#i#450# 001 EN\INFRA-M\bibl\23601 005 20210420174210.2 011 ## _a2308-4898 100 ## _a20181114b2018####ek#y0engy0150####ca 101 0# _aRUS 102 ## _aRU 200 1# _aSynthesis of Equations For Ruled Surfaces With Two Curvilinear And One Rectangular Directrixes _eArticle 210 1# _aMoscow _cINFRA-M Academic Publishing LLC. _d2018 215 ## _a9 с. 608 ## _aArticle _2local 675 ## _aМатематика. 51 _zRUS 700 #1 _aKokareva _gYa. A. 856 4# _ariorpub.com _u