%0 Journal Article %A M. M. Sheremeta %A O. A. Volokh %T On a convergence of formal power series under a special condition on the Gelfond–Leont'ev derivatives %J Žurnal matematičeskoj fiziki, analiza, geometrii %D 2007 %P 241-252 %V 3 %N 2 %U http://geodesic.mathdoc.fr/item/JMAG_2007_3_2_a6/ %G en %F JMAG_2007_3_2_a6