1. Self-oscillating Systems (in Russian), Gostehizdat, Moscow, 1952.
2. Oscillations (in Russian), Gostehizdat, Moscow, 1954.
3. Nonlinear Oscillations, Van Nostrand, Princeton, NJ, 1962.
4. and , Asymptotic Methods in the Theory of Nonlinear Oscillations, (English translation), Gordon and Breach, New York, 1961.
5. Nonlinear Oscillations in Physical Systems, McGraw, New York, 1964.