TY - JOUR AU - I. M. Krichever TI - Spectral theory of finite-zone nonstationary Schr\"odinger operators. A nonstationary Peierls model JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1986 SP - 42 EP - 54 VL - 20 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1986_20_3_a3/ LA - ru ID - FAA_1986_20_3_a3 ER -