TY - JOUR AU - Bouška, Jiří TI - Absolut brightness of comet Ikya-Seki 1965 f and of other comets of Kreutz's group JO - Acta Universitatis Carolinae. Mathematica et Physica PY - 1966 SP - 67 EP - 72 VL - 07 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AUCMP_1966__7_2_a1/ LA - en ID - AUCMP_1966__7_2_a1 ER -