Chan Khyu Bong On the Fredholm property of linear differential operators with delay and with a small parameter. (Russian) Zbl 0725.34069 Izv. Akad. Nauk Tadzh. SSR, Otd. Fiz.-Mat. Khim. Geol. Nauk 1990, No. 1(115), 64-66 (1990). Reviewer: G.Sebe (St.Martin d’Heres) MSC: 34K05 47G10 34K99 34A30 47E05 PDF BibTeX XML Cite \textit{Chan Khyu Bong}, Izv. Akad. Nauk Tadzh. SSR, Otd. Fiz.-Mat. Khim. Geol. Nauk 1990, No. 1(115), 64--66 (1990; Zbl 0725.34069)
Rubanik, V. P. Oscillations of complex quasi-linear systems with delay. (Kolebaniya slozhnykh kvazilinejnykh sistem s zapazdyvaniem). (Russian) Zbl 0608.35001 Minsk: Izdatel’stvo ”Universitetskoe”. 144 p. R. 1.10 (1985). Reviewer: J.Chrastina MSC: 35-02 35R10 35R60 35C20 35R20 35A05 35B30 35B35 35B10 PDF BibTeX XML
Makarov, V. L.; Kantorovich, L. V.; Zhiyanov, V. I.; Khovanskii, A. G. The principle of differential optimization in application to a one-product dynamic model of the economy. (Russian) Zbl 0402.90025 Sib. Mat. Zh. 19, 1053-1064 (1978). MSC: 91B62 90C90 PDF BibTeX XML Cite \textit{V. L. Makarov} et al., Sib. Mat. Zh. 19, 1053--1064 (1978; Zbl 0402.90025)