TY - JOUR AU - I. A. Kvasnikov TI - The use of the variation principle in the new method of the superconduction theory JO - Doklady Akademii Nauk PY - 1958 SP - 475 EP - 477 VL - 119 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1958_119_3_a19/ LA - ru ID - DAN_1958_119_3_a19 ER -