TY - JOUR AU - A. P. Molchanov TI - Radioastronomic observations used in determining the position of the region where the solar atmosphere characteristics change rapidly JO - Doklady Akademii Nauk PY - 1964 SP - 302 EP - 304 VL - 158 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1964_158_2_a14/ LA - ru ID - DAN_1964_158_2_a14 ER -