1. Über die fast sichere Stabilität linearer stochastischer Systeme;Bunke;Z. Angew. Math. Mech.,1963
2. Stochastic processes;Doob,1953
3. On almost sure stability of linear systems with random coefficients;Kozin;J. Math. Phys. (Cambridge),1963
4. Singular perturbations of nonlinear systems of differential equations and an associated boundary layer equations;Levinson;J. Math. Mech.,1954
5. Stationary random processes;Rozanov,1963