%0 Journal Article %A A. M. Sedletskii %T A necessary condition for all the~zeros of an~entire function of exponential type to lie in a~curvilinear half-plane %J Sbornik. Mathematics %D 1995 %P 1353-1362 %V 186 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1995_186_9_a7/ %G en %F SM_1995_186_9_a7