%0 Journal Article %A Oscar Sheynin %T Ladislaus von Bortkiewicz: a scientific biography %J Antiquitates Mathematicae %D 2011 %P 249–266 %V 5 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/am.v5i0.588/ %R 10.14708/am.v5i0.588 %G pl %F 10_14708_am_v5i0_588