%0 Journal Article %A V. K. Kalantarov %T Theorems of Phragmen--Lindel\"of type for two non-linear problems of mecanics %J Zapiski Nauchnykh Seminarov POMI %D 1981 %P 53-56 %V 110 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1981_110_a3/ %G ru %F ZNSL_1981_110_a3