%0 Journal Article %A B. A. Kagan %T On tidal variations of the length of day, year and synodic month %J Doklady Akademii Nauk %D 1996 %P 673-676 %V 348 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1996_348_5_a12/ %G ru %F DAN_1996_348_5_a12