LDR 00499naa#a2200181#i#450# 001 EN\INFRA-M\bibl\7976 005 20210420164105.2 011 ## _a2308-4898 100 ## _a20151130b2015####ek#y0engy0150####ca 101 0# _aRUS 102 ## _aRU 200 1# _aGraphical Proof of the Main Theorem of Non-Euclidean Geometry _eArticle 210 1# _aMoscow _cINFRA-M Academic Publishing LLC. _d2015 215 ## _a5 с. 608 ## _aArticle _2local 700 #1 _aSafiulina _gYu. 700 #1 _aShmurnov _gV. 856 4# _ariorpub.com _u