%0 Journal Article %A Tomasz Grzywny %A Krzysztof Bogdan %T Applied Mathematics on joint Meeting of UMI-SIMAI-PTM, September 17-20, 2018 %J Mathematica Applicanda %D 2018 %P 363-365 %V 46 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/ma.v46i2.6454/ %R 10.14708/ma.v46i2.6454 %G pl %F 10_14708_ma_v46i2_6454