Nurges, Yu.; Kask, K.; Yaaksoo, K. Digital Laguerre filters. (Russian. English summary) Zbl 0674.93065 Izv. Akad. Nauk Ehst. SSR, Fiz., Mat. 38, No. 2, 165-171 (1989). MSC: 93E11 33C45 PDFBibTeX XMLCite \textit{Yu. Nurges} et al., Izv. Akad. Nauk Èst. SSR, Fiz., Mat. 38, No. 2, 165--171 (1989; Zbl 0674.93065)
Nurges, Yu. The Laguerre input-output model. (Russian) Zbl 0602.93011 Izv. Akad. Nauk Ehst. SSR, Fiz., Mat. 34, 222-225 (1985). Reviewer: S.Aisagaliev MSC: 93B15 42C10 93C55 33C45 93C05 93C35 PDFBibTeX XMLCite \textit{Yu. Nurges}, Izv. Akad. Nauk Èst. SSR, Fiz., Mat. 34, 222--225 (1985; Zbl 0602.93011)
Nurges, Yu.; Yaaksov, Yu. Laguerre’s state equations for multivariable discrete-time systems. (Russian) Zbl 0469.93051 Izv. Akad. Nauk Ehst. SSR, Fiz., Mat. 30, 209-219 (1981). MSC: 93C35 93C55 33C45 93B17 93B30 68U20 PDFBibTeX XMLCite \textit{Yu. Nurges} and \textit{Yu. Yaaksov}, Izv. Akad. Nauk Èst. SSR, Fiz., Mat. 30, 209--219 (1981; Zbl 0469.93051)
Kard, P. Bessel functions in the theory of one-dimensional wave equations. (Russian) Zbl 0444.73093 Izv. Akad. Nauk Ehst. SSR, Fiz., Mat. 29, 113-119 (1980). MSC: 74F15 81U99 33C10 PDFBibTeX XMLCite \textit{P. Kard}, Izv. Akad. Nauk Èst. SSR, Fiz., Mat. 29, 113--119 (1980; Zbl 0444.73093)
Levin, M. Eine im Sinne der V-Methode optimale Quadraturformel. (Russian) Zbl 0428.65010 Izv. Akad. Nauk Ehst. SSR, Fiz., Mat. 28, 151-154 (1979). MSC: 65D32 41A55 33C45 PDFBibTeX XMLCite \textit{M. Levin}, Izv. Akad. Nauk Èst. SSR, Fiz., Mat. 28, 151--154 (1979; Zbl 0428.65010)