%0 Journal Article %A N. N. Fotieva %A T. G. Sammal' %T Geomechanical estimation of the effectiveness of sewer tunnel repair by the "pipe in pipe" technology %J Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences %D 1998 %P 149 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/VSGTU_1998_6_a22/ %G ru %F VSGTU_1998_6_a22