TY  JOUR
TI  Physical exercise as a means of hardening
KW  hardening
KW  physical exercise
KW  running
KW  walking
KW  methodology
KW  principles
JO  Scientific notes of P. F. Lesgaft University
AU  Tarakanova, M.E.
AU  Maltseva, L.V.
AU  Kharitonova, N.Y.
AU  Halilova, Y.I.
AU  Seregina, V.A.
PY  2025
IS  0
PB  National State University of Physical Education, Sports and Health named after P.F. Lesgaft