01037naa#a2200217#i#450# EN\\bibl\96428 20250419145549.6 1994-4683 20250321b2025####ek#y0engy0150####ca RU Substantiation of the periodization of the stages of formation and development of the All-Union physical education complex "Ready for labor and defense" as an integral part of the USSR physical education system Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2025 6 с. Journal article local Спортивное движение (разновидности). 796.03 Общие вопросы физической культуры и спорта. 77.01 grnti Nikolaev Evgeniy Anatol'evich Belov Aleksandr Vladimirovich Kuz'mina Svetlana Nikolaevna Smetanina Irina Aleksandrovna uchzapiski.lesgaft.spb.ru