%0 Journal Article
%A Krzysztof J. Szajowski
%T Main Issue Cover
%J Mathematica Applicanda
%D 2019
%P  1-2
%V 47
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.14708/ma.v47i1.6508/
%R 10.14708/ma.v47i1.6508
%G pl
%F 10_14708_ma_v47i1_6508