%0 Journal Article %A È. I. Grigolyuk %A M. G. Gringauz %A L. A. Fil'shtinskii %T An approach to the investigation of singular stress fields in a piecewise-uniform medium with branching cuts %J Doklady Akademii Nauk %D 1981 %P 567-570 %V 261 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1981_261_3_a12/ %G ru %F DAN_1981_261_3_a12