Los' G A

Publications in Math-Net.Ru

1. A solution of the stability problem for a system of linear differential equations with $\pi $-periodic coefficients by means of the $\pi /4$-characteristic equation
   
   Differ. Uravn., 6:3 (1970),  565–568
2. Theorems on the estimation of the invariant $A_1$ of the characteristic equation for an $n$th order linear homogeneous differential equation with $\omega$-periodic coefficients
   
   Differ. Uravn., 6:3 (1970),  561–564
3. Theorems on the instability of solutions of an $n$th order linear homogeneous differential equation with periodic coefficients
   
   Differ. Uravn., 4:4 (1968),  625–630
4. A sufficient test for the stability of the trivial solution of a third-order differential equation with periodic coefficients
   
   Differ. Uravn., 3:10 (1967),  1707–1717