TY - JOUR AU - V. V. Krivov TI - On the extremal differential form for generalized modulus JO - Doklady Akademii Nauk PY - 1981 SP - 817 EP - 822 VL - 257 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1981_257_4_a10/ LA - ru ID - DAN_1981_257_4_a10 ER -