TY JOUR TI Towards a mathematical theory of athletic training. Part 3. The theory of adaptation of energy metabolism to physical loads by Nikolai Ivanovich Volkov KW mathematical modelling of the training process KW theory of adaptation KW kinetics of energy metabolism KW power and capacity of the energy supply mechanisms KW lactate KW oxygen uptake KW design of an extreme experiment KW critical power KW sport bioenergetics JO Russian Journal of Information Technology in Sports AU Timme, E.A. PY IS PB Russian Association of Computer Science in Sport