@article{CMUC_1977_18_4_a5,
     author = {Cegrell, Urban},
     title = {On the space and dual space of functions representable by differences of subharmonic functions},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {685--695},
     year = {1977},
     volume = {18},
     number = {4},
     mrnumber = {0460670},
     zbl = {0368.31005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1977_18_4_a5/}
}