TY - JOUR AU - P. E. Krasnushkin TI - Explanation of some features of the ham short-wave long-range communications JO - Doklady Akademii Nauk PY - 1981 SP - 94 EP - 96 VL - 259 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1981_259_1_a22/ LA - ru ID - DAN_1981_259_1_a22 ER -