00515naa#a2200181#i#4500001002100000005001700021011001400038100004100052101000800093102000700101200008300108210005100191215001000242608002700252700002000279700001800299856001600317EN\INFRA-M\bibl\797620240426024602.5##a2308-4898##a20151130b2015####ek#y0engy0150####ca0#aRUS##aRU1#aGraphical Proof of the Main Theorem of Non-Euclidean GeometryeJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2015##a5 с.##aJournal article2local#1aSafiulinagYu. #1aShmurnovgV. 4#ariorpub.com