%0 Journal Article %A A. V. Pokrovskii %T Conditions for subharmonicity and subharmonic extensions of functions %J Sbornik. Mathematics %D 2017 %P 1225-1245 %V 208 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2017_208_8_a6/ %G en %F SM_2017_208_8_a6