%0 Journal Article %A S. Yu. Dobrokhotov %A I. M. Krichever %T Multi-phase solutions of the Benjamin--Ono equation and their averaging %J Matematičeskie zametki %D 1991 %P 42-58 %V 49 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1991_49_6_a5/ %G ru %F MZM_1991_49_6_a5