%0 Journal Article %A V. Ya. Krivnov %A A. A. Ovchinnikov %T An~exactly solvable one-dimensional problem with several particle species %J Teoretičeskaâ i matematičeskaâ fizika %D 1982 %P 155-160 %V 50 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1982_50_1_a8/ %G ru %F TMF_1982_50_1_a8