TY JOUR TI Mathematical models of human breathing regulation and gas exchange during physical exercises KW gasexchange KW simulation models KW breathing under load KW cardiodynamic hyperpnea KW lung ventilation JO Russian Journal of Information Technology in Sports AU Ermolaev, E.S. AU D'yachenko, A.I. AU Shulagin, Y.A. PY 2025 IS 2 PB Russian Association of Computer Science in Sport