Petzeltova, Hana; Vrbova, Pavla A remark on small divisors problems. (English) Zbl 0419.47029 Czech. Math. J. 28(103), 1-12 (1978). MSC: 47J05 54H25 PDFBibTeX XMLCite \textit{H. Petzeltova} and \textit{P. Vrbova}, Czech. Math. J. 28(103), 1--12 (1978; Zbl 0419.47029) Full Text: EuDML
Petzeltova, Hana; Vrbova, Pavla Factorization in the algebra of rapidly decreasing functions on \(R_n\). (English) Zbl 0382.46014 Commentat. Math. Univ. Carol. 19, 489-499 (1978). MSC: 46E25 46F05 PDFBibTeX XMLCite \textit{H. Petzeltova} and \textit{P. Vrbova}, Commentat. Math. Univ. Carol. 19, 489--499 (1978; Zbl 0382.46014) Full Text: EuDML
Petzeltova, H.; Vrbova, P. An underrelaxed modification of Newton’s method. (English) Zbl 0379.65029 Rev. Roum. Math. Pures Appl. 22, 959-963 (1977). MSC: 65J05 47J05 PDFBibTeX XMLCite \textit{H. Petzeltova} and \textit{P. Vrbova}, Rev. Roum. Math. Pures Appl. 22, 959--963 (1977; Zbl 0379.65029)