Mazur, Ryszard; Ruszczyk, Irena Estimations of the functionals \(a_ 2\) and \(a_ 3-\lambda a_ 2^ 2\) in the subclass of symmetrical quasi-convex functions. (English) Zbl 0732.30009 Zesz. Nauk., Politech. Łódz. 531, Mat. 21, 5-18 (1989). Reviewer: Z.J.Jakubowski (Łódź) MSC: 30C45 PDF BibTeX XML Cite \textit{R. Mazur} and \textit{I. Ruszczyk}, Zesz. Nauk. Politech. Łódz., Mat. 531(21), 5--18 (1989; Zbl 0732.30009) OpenURL
Szumski, Zygmunt; Miazga, Mirella Calculating of an inverse power series coefficients. (English) Zbl 0725.65003 Zesz. Nauk., Politech. Łódz. 531, Mat. 21, 19-29 (1989). Reviewer: J.Illán González (Ciudao de La Habana) MSC: 65B10 26A09 PDF BibTeX XML Cite \textit{Z. Szumski} and \textit{M. Miazga}, Zesz. Nauk. Politech. Łódz., Mat. 531(21), 19--29 (1989; Zbl 0725.65003) OpenURL
Lupa, Maria Form of Lipschitzian operator of substitution in some class of functions. (English) Zbl 0725.47046 Zesz. Nauk., Politech. Łódz. 531, Mat. 21, 87-96 (1989). MSC: 47H30 46E30 PDF BibTeX XML Cite \textit{M. Lupa}, Zesz. Nauk. Politech. Łódz., Mat. 531(21), 87--96 (1989; Zbl 0725.47046) OpenURL
Hejduk, Jacek Universal sequences in the space of real measurable functions. (English) Zbl 0725.28004 Zesz. Nauk., Politech. Łódz. 531, Mat. 21, 75-85 (1989). Reviewer: D.Plachky (Münster) MSC: 28A20 PDF BibTeX XML Cite \textit{J. Hejduk}, Zesz. Nauk. Politech. Łódz., Mat. 531(21), 75--85 (1989; Zbl 0725.28004) OpenURL
Mazur, Ryszard; Skowierżak, Maria Radius of convexity of certain holomorphic functions. (English) Zbl 0724.30008 Zesz. Nauk., Politech. Łódz. 531, Mat. 21, 53-56 (1989). Reviewer: J.Kaczmarski (Łódź) MSC: 30C45 PDF BibTeX XML Cite \textit{R. Mazur} and \textit{M. Skowierżak}, Zesz. Nauk. Politech. Łódz., Mat. 531(21), 53--56 (1989; Zbl 0724.30008) OpenURL
Wasilewski, Mariusz J. Estimation of the parameters of the mixture k\(\geq 2\) of normal distributions. (English) Zbl 0723.62011 Zesz. Nauk., Politech. Łódz. 531, Mat. 21, 31-39 (1989). MSC: 62F10 PDF BibTeX XML Cite \textit{M. J. Wasilewski}, Zesz. Nauk. Politech. Łódz., Mat. 531(21), 31--39 (1989; Zbl 0723.62011) OpenURL
Kubicka, Ewa; Poreda, Tadeusz On the coefficients of the quasi-starlike maps of the unit polydisk in \({\mathbb{C}}^ 2\). (English) Zbl 0719.32007 Zesz. Nauk., Politech. Łódz. 531, Mat. 21, 57-68 (1989). Reviewer: A.Russakovskii (Düsseldorf) MSC: 32A30 30C45 PDF BibTeX XML Cite \textit{E. Kubicka} and \textit{T. Poreda}, Zesz. Nauk. Politech. Łódz., Mat. 531(21), 57--68 (1989; Zbl 0719.32007) OpenURL
Sielska, Maria On some conditions of differentiability of the functions of many variables. (English) Zbl 0718.26007 Zesz. Nauk., Politech. Łódz. 531, Mat. 21, 41-52 (1989). Reviewer: W.Wilczyński (Łódź) MSC: 26B05 PDF BibTeX XML Cite \textit{M. Sielska}, Zesz. Nauk. Politech. Łódz., Mat. 531(21), 41--52 (1989; Zbl 0718.26007) OpenURL
Wojdowski, Wojciech A Cantor diagonal method for nets. (English) Zbl 0715.54001 Zesz. Nauk., Politech. Łódz. 531, Mat. 21, 69-73 (1989). MSC: 54A20 PDF BibTeX XML Cite \textit{W. Wojdowski}, Zesz. Nauk. Politech. Łódz., Mat. 531(21), 69--73 (1989; Zbl 0715.54001) OpenURL