%0 Journal Article %T Methodology for structuring the training process of elite cross-country skiers during the preparatory period using an artificial snow-substitute surface %A Sedogin, E.A. %A Kireeva, A.V. %K skiing, cross-country skiing, elite athletes, preparatory period, artificial snow-substitute surface %J Scientific notes of P. F. Lesgaft University %D 2026 %N 0 %P 6 %I National State University of Physical Education, Sports and Health named after P.F. Lesgaft