TY - JOUR AU - N. N. Verigin TI - Extraction of minerals by means of borehole hydrotechnology JO - Doklady Akademii Nauk PY - 1992 SP - 250 EP - 254 VL - 325 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1992_325_2_a7/ LA - ru ID - DAN_1992_325_2_a7 ER -