%0 Journal Article %A Krzysztof J. Szajowski %T From the Editor %J Mathematica Applicanda %D 2017 %V 45 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/ma.v45i1.6404/ %R 10.14708/ma.v45i1.6404 %G pl %F 10_14708_ma_v45i1_6404