TY  JOUR
TI  Training of speed-strength qualities in young football players during the preparatory period at the stage of sports mastery development
KW  youth sports
KW  football
KW  speed-strength qualities
KW  jumping exercises
JO  Scientific notes of P. F. Lesgaft University
AU  Dmitriev, V.A.
PY  2025
IS  0
PB  National State University of Physical Education, Sports and Health named after P.F. Lesgaft