%0 Journal Article %A K. V. Safonov %T Conditions for the sum of a power series to be algebraic and rational %J Matematičeskie zametki %D 1987 %P 325-332 %V 41 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1987_41_3_a5/ %G ru %F MZM_1987_41_3_a5