%0 Journal Article %A I. A. Chegis %T A Phragm\'en--Lindel\"of type theorem for functions harmonic in a rectangular cylinder %J Doklady Akademii Nauk %D 1961 %P 556-559 %V 136 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1961_136_3_a10/ %G ru %F DAN_1961_136_3_a10