TY JOUR TI STUDY OF ETHNOGRAPHIC DESCRIPTIONS OF THE SAKHA WRESTLING BY VARIOUS AUTHORS IN THE PERIOD FROM THE MIDDLE OF THE 18TH CENTURY TO THE END OF THE 19TH CENTURY KW ethnographic descriptions KW national types of wrestling KW sakha wrestling KW sumo wrestling JO Scientific notes of P. F. Lesgaft University AU Yakovlev, Y.I. PY 2023 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft