%0 Journal Article %A R. BartoszyƄski %T On a certain model of an epidemic %J Applicationes Mathematicae %D 1972 %P 139-151 %V 13 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/am-13-2-139-151/ %R 10.4064/am-13-2-139-151 %G en %F 10_4064_am_13_2_139_151