@article{1138039973,
author = {Masaoka, Hiroaki and Segawa, Shigeo},
title = {Harmonic dimension of covering surfaces},
journal = {Kodai Math. J.},
volume = {17},
number = {1},
year = {1994},
pages = { 351-359},
language = {en},
url = {http://dml.mathdoc.fr/item/1138039973}
}
Masaoka, Hiroaki; Segawa, Shigeo. Harmonic dimension of covering surfaces. Kodai Math. J., Tome 17 (1994) no. 1, pp. 351-359. http://gdmltest.u-ga.fr/item/1138039973/