%0 Journal Article %A E. L. Korotyaev %T On the spectrum of monodromy operator of the Schrödinger operator with a potential which is periodic with respect to time %J Zapiski Nauchnykh Seminarov POMI %D 1980 %P 101-104 %V 96 %U http://geodesic.mathdoc.fr/item/ZNSL_1980_96_a11/ %G ru %F ZNSL_1980_96_a11