00544naa#a2200181#i#4500001002100000005001700021011001400038100004100052101000800093102000700101200010400108210005100212215001100263608002700274700002200301700002400323856001500347EN\INFRA-M\bibl\628520251221211251.7##a1998-1740##a20150617b2015####ek#y0engy0150####ca0#aRUS##aRU1#aMathematics Tournament as a Method to Demonstrate and to Enhance Learning OutcomeseJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2015##a10 с.##aJournal article2local#1aChiganovgAndrey #1aKrokhmalgSvetlana 4#anaukaru.ru