%0 Journal Article %A S. N. Naboko %T Analytic continuation to the- second sheet of the Predholm determinant of the Schrödinger operator %J Zapiski Nauchnykh Seminarov POMI %D 1974 %P 81-89 %V 47 %U http://geodesic.mathdoc.fr/item/ZNSL_1974_47_a5/ %G ru %F ZNSL_1974_47_a5