O. A. Sultanov, “Stability of autoresonance models subject to random perturbations for systems of nonlinear oscillation equations”, Comput. Math. Math. Phys., 54:1 (2014), 59–73
Kalyakin L.A., “Lyapunov Functions in Barriers For Parabolic Equations and in Stability Problems With Respect To “White Noise””, Russ. J. Math. Phys., 21:4 (2014), 472–483