%0 Journal Article %A Sh. G. Sharaf %A N. A. Budnikova %T On the astronomical theory of Martian climate variations %J Doklady Akademii Nauk %D 1975 %P 64-66 %V 221 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1975_221_1_a15/ %G ru %F DAN_1975_221_1_a15