%0 Journal Article %T Colloquium on mathematical modeling in geology and geophysics %J Matematičeskoe modelirovanie %D 1990 %P 149-153 %V 2 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM_1990_2_5_a9/ %G ru %F MM_1990_2_5_a9