S. F. Feshchenko

• Asimptoticheskie metody v teorii lineĭnykh different︠s︡ialʹnykh uravneniĭ s otkloni︠a︡i︠u︡shchimsi︠a︡ argumentom
• Asimptoticheskie metody v teorii lineĭnykh different͡s︡ialʹnykh uravneniĭ
• Asymptotic methods in the theory of linear differential equations
• Dinamika i ustoĭchivostʹ mnogomernykh sistem