1. Stability and Stabilization Relative to Part of the Variables;Rumyantsev,1987
2. The asymptotic stability of the trivial solution of a non-autonomous functional-differential equation;Andreyev,1991
3. Limit equations in the problem of stability of a functional-differential equation;Andreyev;Differents. Uravn.,1998
4. Theory of Functional Differential Equations;Hale,1977
5. Stability relative to part of the variables of system with delay;Kalistratova;Avtomatika i Telemekhanika,1986