%0 Journal Article %A G. V. Badalyan %T Condition for the expansion of functions into a quasi-power series outside of the fundamental interval %J Doklady Akademii Nauk %D 1961 %P 269-271 %V 136 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1961_136_2_a1/ %G ru %F DAN_1961_136_2_a1