Levin, M. I.; Girshovich, J. M. Monosplines of two variables and optimal cubature formulas. (English) Zbl 0451.41015 Constructive function theory, Proc. int. Conf., Blagoevgrad 1977, 365-370 (1980). MSC: 41A55 65D30 PDF BibTeX XML
Levin, M. I.; Girshovich, J. M. Monosplines of two variables and optimal cubature formulas. (English) Zbl 0401.41033 Constructive function theory, Proc. int. Conf., Blagoevgrad 1977 (to appear). MSC: 41A55 65D30 PDF BibTeX XML