Ivaschenko, V., Pustovalov, V., Bezkopulnuy, O., Suprunovich, V. and Grechukha, S. (2014) “On the problem of improving the physical abilities of the younger generation”, Pedagogics, psychology, medical-biological problems of physical training and sports, 18(7), pp. 12–17. doi: 10.6084/m9.figshare.1015379.