00468naa#a2200169#i#4500001002100000005001700021011001400038100004100052101000800093102000700101200005300108210005100161215001000212608002700222700003500249856001400284EN\INFRA-M\bibl\405220250108121410.3##a2308-4898##a20140910b2014####ek#y0engy0150####ca0#aRUS##aRU1#aPuzzles of Descriptive GeometryeJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2014##a4 с.##aJournal article2local#1aArtsikhovskaya-KuznetsovagL. 4#azh-szf.ru