On controlling objects whose motion is defined by implicit nonlinear differential equations. - Evgeny S. Zhukovskii; Elena A. Pluzhnikova (Autom. Remote. Control., 2015)

Caristi-Like Condition and the Existence of Minima of Mappings in Partially Ordered Spaces. - Aram V. Arutyunov; Evgeny S. Zhukovskiy; Sergey E. Zhukovskiy (J. Optim. Theory Appl., 2019)