%0 Journal Article %A I. M. Krichever %T Spectral theory of finite-zone nonstationary Schrödinger operators. A nonstationary Peierls model %J Funkcionalʹnyj analiz i ego priloženiâ %D 1986 %P 42-54 %V 20 %N 3 %U http://geodesic.mathdoc.fr/item/FAA_1986_20_3_a3/ %G ru %F FAA_1986_20_3_a3