00476naa#a2200169#i#4500001002000000005001700020011001400037100004100051101000800092102000700100200007600107210005100183215001000234608002700244700002000271856001500291EN\INFRA-M\bibl\80720240914195646.6##a1998-0728##a20131121b2013####ek#y0engy0150####ca0#aRUS##aRU1#aPractical work in mathematics as methodical innovationeJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2013##a4 с.##aJournal article2local#1aSmoleusovagT. 4#anaukaru.ru