TY - JOUR AU - N. N. Fotieva AU - T. G. Sammal' TI - Geomechanical estimation of the effectiveness of sewer tunnel repair by the "pipe in pipe" technology JO - Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences PY - 1998 SP - 149 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VSGTU_1998_6_a22/ LA - ru ID - VSGTU_1998_6_a22 ER -