TY - JOUR AU - I. A. Kvasnikov TI - The application of the variation principle to the superconduction theory JO - Doklady Akademii Nauk PY - 1958 SP - 675 EP - 677 VL - 119 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1958_119_4_a12/ LA - ru ID - DAN_1958_119_4_a12 ER -