%0 Journal Article %A M. T. Alimzhanov %T The formulation of walls stability problem for deep wells %J Doklady Akademii Nauk %D 1992 %P 445-449 %V 325 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1992_325_3_a5/ %G ru %F DAN_1992_325_3_a5