%0 Journal Article %A I. S. Arshon %T Phragm\'en--Lindel\"of theorems for the solutions of an elliptic system in two independent variables with constant coefficients %J Izvestiya. Mathematics %D 1974 %P 909-936 %V 8 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1974_8_4_a6/ %G en %F IM2_1974_8_4_a6