00647naa#a2200217#i#4500001002200000003001700022005001700039011001400056100004100070101000800111102000700119200007400126210005100200215001100251608002700262675003400289700002100323700002700344700002000371856003800391EN\INFRA-M\bibl\29921/en/manage/index20250602125052.1##a2308-4898##a20190815b2019####ek#y0engy0150####ca0#aRUS##aRU1#aGeometric-Graphic Student Olympiad in St. PetersburgeJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2019##a10 с.##aJournal article2local##aМатематика. 51zRUS#1aAbrosimovgS. N.#1aTikhonov-BugrovgD. E.#1aGlazunovgK. O.4#afht.editorum.ruu/en/manage/index