1. The General Problem of the Stability of Motion;Lyapunov,1950
2. Curves Defined by Differential Equations;Poincaré,1947
3. The stability of the motion of continuous media, Lagrange's theorem and its inversion;Movchan;Inzh Sbornik,1960
4. Stability of processes with respect to two metrics;Movchan;JAMM,1960
5. The stability of continuum deformation processes;Movchan;Arch Mech Stosow,1963