@article{MAN_1989__283_1_164526,
     author = {Robert Gulliver and Brian White},
     title = {The {Rate} of {Convergence} of a {Harmonic} {Map} at a {Singular} {Point.}},
     journal = {Mathematische Annalen},
     pages = {539--550},
     publisher = {mathdoc},
     volume = {283},
     number = {1},
     year = {1989},
     zbl = {0645.58018},
     url = {http://geodesic.mathdoc.fr/item/MAN_1989__283_1_164526/}
}