TY - JOUR AU - A. L. Mironov AU - V. L. Oleinik TI - Limits of applicability of the tight binding approximation for complex-valued potential function JO - Teoretičeskaâ i matematičeskaâ fizika PY - 1997 SP - 448 EP - 466 VL - 112 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_1997_112_3_a7/ LA - ru ID - TMF_1997_112_3_a7 ER -