@article{AM2_1982__25_136964,
     author = {Shigeru Haruki},
     title = {On the general solution of the triangle mean value equation.},
     journal = {Aequationes mathematicae},
     pages = {209--215},
     year = {1982},
     volume = {25},
     zbl = {0531.39003},
     url = {http://geodesic.mathdoc.fr/item/AM2_1982__25_136964/}
}