@article{1029003884,
author = {Rosay, Jean-Pierre and Rudin, Walter},
title = {A maximum principle for sums of subharmonic functions, and the convexity of level sets.},
journal = {Michigan Math. J.},
volume = {36},
number = {1},
year = {1989},
pages = { 95-111},
language = {en},
url = {http://dml.mathdoc.fr/item/1029003884}
}
Rosay, Jean-Pierre; Rudin, Walter. A maximum principle for sums of subharmonic functions, and the convexity of level sets.. Michigan Math. J., Tome 36 (1989) no. 1, pp. 95-111. http://gdmltest.u-ga.fr/item/1029003884/