%0 Journal Article %A Łukasz Stettner %A Przemysław Grzegorzewski %T Conferences in Applied Mathematics %J Mathematica Applicanda %D 2019 %P 328 %V 47 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/ma.v47i2.6532/ %R 10.14708/ma.v47i2.6532 %G pl %F 10_14708_ma_v47i2_6532