TY  JOUR
TI  The problem of early specialization and the formation of children's readiness for initial hockey lessons
KW  hockey
KW  sports selection
KW  sports orientation
KW  early specialization
JO  Scientific notes of P. F. Lesgaft University
AU  Kozin, V.V.
AU  filatov, v.v.
AU  Filatov, Y.V.
PY  2025
IS  0
PB  National State University of Physical Education, Sports and Health named after P.F. Lesgaft