TY - JOUR AU - Natalya Zheltukhina TI - On power series whose tails have multiply positive coefficients JO - Žurnal matematičeskoj fiziki, analiza, geometrii PY - 2003 SP - 156 EP - 166 VL - 10 IS - 2 UR - http://geodesic.mathdoc.fr/item/JMAG_2003_10_2_a2/ LA - en ID - JMAG_2003_10_2_a2 ER -