MartуnуukА. А. and KоzubоvskауaI. G. (1971) “On sufficient conditions of stability for systems with constantly acting disturbances”, Ukrains’kyi Matematychnyi Zhurnal, 23(3), pp. 405-410. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/8571 (Accessed: 24November2024).