%0 Journal Article %A E. F. Afanas'ev %T Self-modelling problems in dynamical elasticity theory for cracks %J Doklady Akademii Nauk %D 1973 %P 555-558 %V 210 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1973_210_3_a13/ %G ru %F DAN_1973_210_3_a13