Bondarenko, B. A.; Uluknazarov, M. Zh. A normed system of functions for operators with mixed derivatives. (Russian) Zbl 0634.35011 Dokl. Akad. Nauk UzSSR 1987, No. 4, 5-7 (1987). MSC: 35C05 35G05 PDFBibTeX XMLCite \textit{B. A. Bondarenko} and \textit{M. Zh. Uluknazarov}, Dokl. Akad. Nauk UzSSR 1987, No. 4, 5--7 (1987; Zbl 0634.35011)
Bondarenko, B. A. Quasipolynomiale Lösungen mehrdimensionaler Systeme Lamescher Gleichungen. (Russian) Zbl 0417.35020 Dokl. Akad. Nauk UzSSR 1977, No. 11, 9-11 (1977). MSC: 35C10 35L15 33E10 74B99 31B30 PDFBibTeX XMLCite \textit{B. A. Bondarenko}, Dokl. Akad. Nauk UzSSR 1977, No. 11, 9--11 (1977; Zbl 0417.35020)