00587naa#a2200193#i#4500001002100000005001700021011001400038100004100052101000800093102000700101200011700108210005100225215001000276608002700286700002100313700002400334700002000358856001500378EN\INFRA-M\bibl\651220241219042013.4##a2308-4898##a20150610b2015####ek#y0engy0150####ca0#aRUS##aRU1#aFormation and Development of Professional Skills of Students When Studying Descriptive GeometryeJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2015##a5 с.##aJournal article2local#1aLoginovskiygA. #1aKhmarovagLyudmila #1aUsmanovagE. A.4#anaukaru.ru