Ushakov, Igor Alekseevich.
Metody resheniya prosteishikh zadach optimalnogo rezervirovaniya pri nalichii ogranichenii. - Moskva : Sov. radio, 1969. - 175 s. : chert.; 20 sm. - (B-ka inzhenera po nadezhnosti)
Otsenka parametrov setei so slozhnoi strukturoi / I. A. Ushakov, E. I. Litvak. - M. : VTs AN SSSR, 1986. - 65 s. : il.; 22 sm. - (Soobsch. po prikl. matematike. AN SSSR, VTs).
Veroyatnostnye modeli nadezhnosti informatsionno-vychislitelnykh sistem / I. A. Ushakov. - M. : Radio i svyaz, 1991. - 132 s. : il.; 21 sm.; ISBN 5-256-00795-5
Kurs teorii nadezhnosti sistem : uchebnoe posobie dlya studentov vysshikh uchebnykh zavedenii, obuchayuschikhsya po spetsialnosti 010500 Mekhanika / I. A. Ushakov. - Moskva : Drofa, 2008. - 239, [1] s. : il.; 22 sm. - (Vysshee obrazovanie).; ISBN 978-5-358-01586-9
Ya. G. Genis, I. A. Ushakov, “Estimating the reliability of redundant restorable systems with the monitoring and switching characteristics known”, Avtomat. i Telemekh., 1988, no. 6, 158–167; Autom. Remote Control, 49:6 (1988), 813–820
1984
2.
I. V. Pavlov, I. A. Ušakov, “Unbiased estimation of a distribution function from a multiply truncated sample”, Teor. Veroyatnost. i Primenen., 29:3 (1984), 594–597; Theory Probab. Appl., 29:3 (1985), 617–620