TY - JOUR AU - G. P. Cherepanov TI - On opening of oil and gas wells JO - Doklady Akademii Nauk PY - 1985 SP - 816 EP - 820 VL - 284 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1985_284_4_a11/ LA - ru ID - DAN_1985_284_4_a11 ER -