%0 Journal Article %A S. G. Akopov %A Yu. E. Lozovik %T Phase transition into superconducting state in granular films. Quantum %J Doklady Akademii Nauk %D 1981 %P 1351-1353 %V 258 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1981_258_6_a16/ %G ru %F DAN_1981_258_6_a16