TY - JOUR AU - P. E. Krasnushkin AU - E. N. Fedorov TI - Resonance capture of radio waves by ionosphere waveguide and an attempt to use it for detesting valleys in electron density profile of lower ionosphere JO - Doklady Akademii Nauk PY - 1974 SP - 792 EP - 795 VL - 217 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1974_217_4_a13/ LA - ru ID - DAN_1974_217_4_a13 ER -