@article{1138846366,
author = {Kawai, Kazumitsu and Sario, Leo},
title = {Extremal properties of quasiharmonic forms and functions},
journal = {Kodai Math. Sem. Rep.},
volume = {23},
number = {1},
year = {1971},
pages = { 267-275},
language = {en},
url = {http://dml.mathdoc.fr/item/1138846366}
}
Kawai, Kazumitsu; Sario, Leo. Extremal properties of quasiharmonic forms and functions. Kodai Math. Sem. Rep., Tome 23 (1971) no. 1, pp. 267-275. http://gdmltest.u-ga.fr/item/1138846366/