Gasymov, M. G.; Gusejnov, G. Sh. Determination of diffusion operators according to spectral data. (Russian) Zbl 0479.34009 Dokl., Akad. Nauk Az. SSR 37, No. 2, 19-23 (1981). MSC: 34L99 34A55 × Cite Format Result Cite Review PDF
Orudzhev, A. D. Spectral analysis of a certain class of not self-adjoint differential operators of higher order. (Russian) Zbl 0471.47027 Dokl., Akad. Nauk Az. SSR 37, No. 2, 8-11 (1981). MSC: 47E05 34M99 34A30 × Cite Format Result Cite Review PDF
Maksudov, F. G.; Veliev, O. A. Spectral analysis of Dirac operator with periodic complex valued coefficients. (Russian) Zbl 0464.47018 Dokl., Akad. Nauk Az. SSR 37, No. 2, 3-7 (1981). MSC: 47E05 81Q05 × Cite Format Result Cite Review PDF
Gasymov, Eh. A. The theory of mixed problems on conjunction of systems of different types. (Russian) Zbl 0461.35027 Dokl., Akad. Nauk Az. SSR 37, No. 2, 12-17 (1981). MSC: 35G99 35A05 35A25 35A22 35B30 × Cite Format Result Cite Review PDF