%0 Journal Article %A Sekanina, Zdeněk %T Some problems of cometary physics investigated on the basis of photometric data (Part one) %J Acta Universitatis Carolinae. Mathematica et Physica %D 1962 %P 25-132 %V 03 %N 2 %I mathdoc %U https://geodesic-test.mathdoc.fr/item/AUCMP_1962__3_2_a1/ %G en %F AUCMP_1962__3_2_a1