TY - JOUR AU - A. A. Oblomkov TI - Isoenergy Spectral Problem for Multidimensional Difference Operators JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 2002 SP - 45 EP - 61 VL - 36 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_2002_36_2_a4/ LA - ru ID - FAA_2002_36_2_a4 ER -