%0 Journal Article %A Peter D. Lax %T A Phragmen--Lindel\"of theorem in harmonic analysis and its application to some questions in the theory of elliptic equations %J Matematika %D 1959 %P 107-132 %V 3 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAT_1959_3_4_a2/ %G ru %F MAT_1959_3_4_a2