%0 Journal Article %A R. Babaeva %T An estimate for the number of integral points on certain surfaces of second order %J Matematičeskie zametki %D 1982 %P 853-868 %V 32 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1982_32_6_a10/ %G ru %F MZM_1982_32_6_a10