@article{IM2_2005_69_6_a7,
     author = {P. V. Paramonov},
     title = {$C^m$-extension of subharmonic functions},
     journal = {Izvestiya. Mathematics},
     pages = {1211--1223},
     year = {2005},
     volume = {69},
     number = {6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2005_69_6_a7/}
}