%0 Journal Article %A Sh. G. Sharaf %A N. A. Budnikova %T Oscillations in solar radiation to Earth, caused by secular variations of the Earth's orbit elements %J Doklady Akademii Nauk %D 1968 %P 291-293 %V 182 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1968_182_2_a14/ %G ru %F DAN_1968_182_2_a14