@article{MZ_1994__216_4_174658,
     author = {Y.L. Xin},
     title = {On harmonic representatives of ... .},
     journal = {Mathematische Zeitschrift},
     pages = {389--400},
     publisher = {mathdoc},
     volume = {216},
     number = {4},
     year = {1994},
     zbl = {0806.58014},
     url = {http://geodesic.mathdoc.fr/item/MZ_1994__216_4_174658/}
}