00513naa#a2200169#i#450# EN\INFRA-M\bibl\975 20241124193722.7 1998-0744 20131225b2013####ek#y0engy0150####ca RUS RU Issues of Physical Education at Primary School in the Context of Current Educational System Journal article Moscow INFRA-M Academic Publishing LLC. 2013 6 с. Journal article local Fomichev Pavel zh-szf.ru