@article{SM_1977_31_2_a4,
     author = {I. F. Krasichkov-Ternovskii},
     title = {An estimate for the subharmonic difference of subharmonic {functions.~I}},
     journal = {Sbornik. Mathematics},
     pages = {191--218},
     year = {1977},
     volume = {31},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1977_31_2_a4/}
}