@article{bwmeta1.element.desklight-eded98b7-803c-44f9-872b-f46f4f6653cf,
author = {Shigeru Haruki},
title = {Four different unknown functions satisfying the triangle mean value property for harmonic polynomials},
journal = {Annales Polonici Mathematici},
volume = {33},
year = {1977},
pages = {219-221},
zbl = {0296.39006},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.desklight-eded98b7-803c-44f9-872b-f46f4f6653cf}
}
Shigeru Haruki. Four different unknown functions satisfying the triangle mean value property for harmonic polynomials. Annales Polonici Mathematici, Tome 33 (1977) pp. 219-221. http://gdmltest.u-ga.fr/item/bwmeta1.element.desklight-eded98b7-803c-44f9-872b-f46f4f6653cf/