%0 Journal Article %A V. A. Kondratiev %A Yu. G. Ivannikov %T An estimate of the effectiveness of mass anti-epidemic measures %J Doklady Akademii Nauk %D 1973 %P 558-561 %V 208 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1973_208_3_a16/ %G ru %F DAN_1973_208_3_a16