%0 Journal Article %A Danuta Ciesielska %T Władysław Kretkowski's doctorate case %J Antiquitates Mathematicae %D 2012 %P 7-37 %V 6 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/am.v6i0.553/ %R 10.14708/am.v6i0.553 %G pl %F 10_14708_am_v6i0_553