TY  JOUR
TI  The structure of the game of tennis players in retrospect at "grand slam" tournaments
KW  tennis
KW  indicators of game activity
KW  volume and intensity of load
JO  Scientific notes of P. F. Lesgaft University
AU  Ivanova, G.P.
AU  Valeev, D.O.
PY  2025
IS  0
PB  National State University of Physical Education, Sports and Health named after P.F. Lesgaft