%0 Journal Article %A D. O. Mokhnach %T On the possibility to evaluate the dimensions and masses of the ice nucleus of a comet. Photoluminescence of parent molecules %J Doklady Akademii Nauk %D 1968 %P 1067-1070 %V 180 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1968_180_5_a14/ %G ru %F DAN_1968_180_5_a14