%0 Journal Article %A S. I. Agafonov %A E. V. Ferapontov %T Systems of conservation laws in the context of the projective theory of congruences %J Izvestiya. Mathematics %D 1996 %P 1097-1122 %V 60 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1996_60_6_a0/ %G en %F IM2_1996_60_6_a0