%0 Journal Article %A V. M. Kotov %A N. S. Bogdanova %T Bunch technique for $semionline$ with two groups of items %J Journal of the Belarusian State University. Mathematics and Informatics %D 2019 %P 134-138 %V 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/BGUMI_2019_3_a11/ %G ru %F BGUMI_2019_3_a11