%0 Journal Article %A Natalya Zheltukhina %T On power series whose tails have multiply positive coefficients %J Žurnal matematičeskoj fiziki, analiza, geometrii %D 2003 %P 156-166 %V 10 %N 2 %U http://geodesic.mathdoc.fr/item/JMAG_2003_10_2_a2/ %G en %F JMAG_2003_10_2_a2