Mustafaev, L. G. Halbscharenbündel. (Russian) Zbl 0189.30201 Izv. Akad. Nauk Az. SSR, Ser. Fiz.-Tekh. Mat. Nauk 1967, No. 3-4, 176-184 (1967). PDFBibTeX XMLCite \textit{L. G. Mustafaev}, Izv. Akad. Nauk Az. SSR, Ser. Fiz.-Tekh. Mat. Nauk 1967, No. 3--4, 176--184 (1967; Zbl 0189.30201)
Mustafaev, L. G. Regularitätsklassen von Halbscharen. (Russian) Zbl 0141.01301 Izv. Akad. Nauk Az. SSR, Ser. Fiz.-Tekh. Mat. Nauk 1965, No. 3, 55-59 (1965). PDFBibTeX XMLCite \textit{L. G. Mustafaev}, Izv. Akad. Nauk Az. SSR, Ser. Fiz.-Tekh. Mat. Nauk 1965, No. 3, 55--59 (1965; Zbl 0141.01301)