On indirect automatic controls
английский (eng)/On indirect automatic controls / International union of theoretical and applied mechanics. Symposium on nonlinear vibrations. Kiev, Sept. 1961.On indirect automatic controls / International union of theoretical and applied mechanics. Symposium on nonlinear vibrations. Kiev, Sept. 1961.On indirect automatic controls.Kiev/Inst. of mathematics, Acad. of sciences of the Ukrainian SSR/, 1961 ( ). - Inst. of mathematics, Acad. of sciences of the Ukrainian SSR, 1961. - 2 с. ; 21 см см.On indirect automatic controls. Kiev, 1961 .
На 2-й с. обл.: С. Лефшец. Непрямое автоматическое регулирование. - Литогр.Т8-2212/Symposium on nonlinear vibrations (; 1961; Kiev)/
На 2-й с. обл.: С. Лефшец. Непрямое автоматическое регулирование. - Литогр.Т8-2212/Symposium on nonlinear vibrations (; 1961; Kiev)/