TY JOUR TI Entropy approach in the estimation of parameters of cardio schoolboys at latitudinal KW heart rate KW order parameter KW self-organization KW complexity KW chaos. JO Complexity. Mind. Postnonclassic AU Yastrebov, A.. AU Gorbunov, D.. AU Elman, K.. AU Gimadiev, B.. PY 2015 IS 4 PB INFRA-M Academic Publishing LLC.