00582naa#a2200181#i#4500001002200000005001700022011001400039100004100053101000800094102000700102200015100109210005100260215001000311608002700321700001600348700002100364856001500385EN\INFRA-M\bibl\1316420240804042245.7##a2308-4898##a20160919b2016####ek#y0engy0150####ca0#aRUS##aRU1#aThe Duality Principle Is the Theoretical Basis of Interrelation of Synthetic and Analytical Methods of Solving Geometric ProblemseJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2016##a7 с.##aJournal article2local#1aIvanovgG. #1aDmitrievagI. M.4#anaukaru.ru