2011
- ▪S.N. Dashkovskiy, D.V. Efimov, E.D. Sontag, "Ustoichivost' ot vhoda k sostoyaniu i smezhnie svoystva sistem (In Russian, Input to state stability and allied system properties)", Avtomatika i Telemekhanika (Automation and Remote Control), vol. 72, no. 8, pp. 1579-1614, 2011. pdf