%0 Journal Article %A V. I. Zubov %T A theory of physical libration of the moon %J Doklady Akademii Nauk %D 1991 %P 919-924 %V 321 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1991_321_5_a10/ %G ru %F DAN_1991_321_5_a10