TY - JOUR AU - S. A. Semenkovich TI - The thermodynamic potential and the width of the forbidden zone in semiconducting compounds JO - Doklady Akademii Nauk PY - 1964 SP - 442 EP - 445 VL - 158 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1964_158_2_a41/ LA - ru ID - DAN_1964_158_2_a41 ER -