%0 Journal Article %A A. A. Shananin %T A condition for integrability in a problem of the aggregation of %J Doklady Akademii Nauk %D 1987 %P 553-555 %V 294 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1987_294_3_a9/ %G ru %F DAN_1987_294_3_a9