Yurko, V. A. Integrable dynamical systems associated with difference operators of higher order. (English. Russian original) Zbl 0961.39009 Russ. Math. 42, No. 10, 69-79 (1998); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 1998, No. 10, 71-81 (1998). MSC: 39A12 39A70 37K15 PDFBibTeX XMLCite \textit{V. A. Yurko}, Russ. Math. 42, No. 10, 69--79 (1998; Zbl 0961.39009); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 1998, No. 10, 71--81 (1998)
Yurko, V. A. Inverse problem for differential equations of higher order with singularity. (English. Russian original) Zbl 0837.34022 Russ. Math. 37, No. 7, 58-66 (1993); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 1993, No. 7 (374), 59-67 (1993). Reviewer: W.Müller (Berlin) MSC: 34A55 47E05 PDFBibTeX XMLCite \textit{V. A. Yurko}, Russ. Math. 37, No. 7, 58--66 (1993; Zbl 0837.34022); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 1993, No. 7 (374), 59--67 (1993)