%0 Journal Article %A B. A. Dubrovin %T Differential geometry of strongly integrable systems of hydrodynamic type %J Funkcionalʹnyj analiz i ego priloženiâ %D 1990 %P 25-30 %V 24 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1990_24_4_a2/ %G ru %F FAA_1990_24_4_a2