Statisticheskaya teoriya avtomaticheskikh sistem s dinamicheskoi chastotno-impulsnoi modulyatsiei / Yu. S. Popkov, A. A. Ashimov, K. Sh. Asaubaev. - M. : Nauka, 1988. - 254 s. : graf.; 21 sm. - (Teoret. osnovy tekhn. kibernetiki).; ISBN 5-02-013896-7
K. Sh. Asaubaev, As. A. Ashimov, Yu. S. Popkov, E. K. Shombinov, “Identification of nonlinear dynamic plants by pattern recognition methods”, Avtomat. i Telemekh., 1984, no. 9, 94–101; Autom. Remote Control, 45:9 (1984), 1181–1187
1980
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K. Sh. Asaubaev, As. A. Ashimov, Yu. S. Popkov, “Stochastic analysis of automatic systems with dynamic pulse frequency modulation”, Avtomat. i Telemekh., 1980, no. 4, 49–60
1977
3.
K. Sh. Asaubaev, As. A. Ashimov, Yu. S. Popkov, “Models of control systems with dynamic frequency pulse modulation”, Avtomat. i Telemekh., 1977, no. 2, 52–63; Autom. Remote Control, 38:2 (1977), 203–212
1976
4.
K. Sh. Asaubaev, A. I. Barkin, Yu. S. Popkov, “Analysis of nonlinear systems described by the Volterra series”, Avtomat. i Telemekh., 1976, no. 11, 5–15; Autom. Remote Control, 37:11 (1976), 1631–1640