@article{MZ_1986__191_173699,
     author = {Harold Donnelly},
     title = {Bounded {Harmonic} {Functions} and {Positive} {Ricci} {Curvature.}},
     journal = {Mathematische Zeitschrift},
     pages = {559--566},
     publisher = {mathdoc},
     volume = {191},
     year = {1986},
     zbl = {0604.30051},
     url = {http://geodesic.mathdoc.fr/item/MZ_1986__191_173699/}
}