Vibrations of a free two-mass system with quadratic non-linearity and a constant excitation force
Vibrations of the system with quadratic non-linearity and a constant excitation force
Free vibration of a strong non-linear system described with complex functions
ANALYTICAL SOLUTIONS OF THE SYSTEM OF TWO COUPLED PURE CUBIC NON-LINEAR OSCILLATORS EQUATIONS
The conservation laws and the exact solutions for the singular non-linear oscillator