Nikolai Ivanovich Kudryashov is a sports psychologist and the creator of the "Hyperborean Gymnastics" system. His books are popular in the self-help and alternative medicine categories. :
Methods of Nonlinear Mathematical Physics (Методы нелинейной математической физики). nikolai kudriashov knigi skachat
: A popular digital library for psychology and self-improvement where some of his works can be read online or downloaded for free at KooB . Nikolai Ivanovich Kudryashov is a sports psychologist and
Analytical Theory of Nonlinear Differential Equations (Аналитическая теория нелинейных дифференциальных уравнений). : nikolai kudriashov knigi skachat
: Full-text articles and papers are available on his ResearchGate Profile .