LDR 00601naa#a2200169#i#450#
001     EN\\bibl\127563
005     20260717183637.5
011 ## _a1994-4683
100 ## _a20231031b2023####ek#y0engy0150####ca
102 ## _aRU
200 1# _aFEATURES OF ORGANIZING EXTRACURRICULAR ACTIVITIES IN MATHEMATICS AT SCHOOL
       _eJournal article
210 1# _aMoscow
       _cNational State University of Physical Education, Sports and Health named after P.F. Lesgaft
       _d2023
215 ## _a3 с.
608 ## _aJournal article
       _2local
675 ## _aматематики. 372.851
       _z
700 #1 _aLanina
       _gSvetlana Yurevna
856 4# _auchzapiski.lesgaft.spb.ru
       _u