%0 Journal Article %A S. V. Sobolev %T On the growth rate of magma filled cracks %J Doklady Akademii Nauk %D 1986 %P 580-584 %V 291 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1986_291_3_a15/ %G ru %F DAN_1986_291_3_a15