@article{SM_2017_208_8_a6,
     author = {A. V. Pokrovskii},
     title = {Conditions for subharmonicity and subharmonic extensions of functions},
     journal = {Sbornik. Mathematics},
     pages = {1225--1245},
     year = {2017},
     volume = {208},
     number = {8},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2017_208_8_a6/}
}