%0 Journal Article %A Urszula Foryƛ %T XXV National Conference on Mathematics Applied to Biology and Medicine %J Mathematica Applicanda %D 2019 %P 323-327 %V 47 %N 2 %U http://geodesic.mathdoc.fr/articles/10.14708/ma.v47i2.6512/ %R 10.14708/ma.v47i2.6512 %G pl %F 10_14708_ma_v47i2_6512