Annales Mathematicae Silesianae. T. 15

Treść: I. Bachar: Sur les lois de sortie des semi-groupes de convolution; A. Dąbrowska: Diagonalizing the trace form in some number fields; I. Fidytek: On a functional equation connected with Ptolematic inequality; J. Ligęza: On a two point boundary value problem for linear differential equations of the fourth order in the Colombeau algebra; J.M. Rassias: On aproximation of approximately quadratic mappings by quadratic mappings; M. Wróbel: On functions of bounded n-th variation; Report of Meeting.