TY JOUR TI FORMATION OF SOCIALLY SIGNIFICANT QUALITIES OF STUDENTS OF TECHNICAL HIGHER EDUCATION INSTITUTIONS BY MEANS OF BOXING WITH ELEMENTS OF PROBLEM-SITUATIONAL LEARNING KW problem-situational training KW sports specialization "boxing" KW physical KW psychological socially significant qualities of students JO Scientific notes of P. F. Lesgaft University AU SHeyder, A.D. AU Igoshkin, A.N. AU Berezhnik, Y.Y. PY 2023 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft