@article{MAN_1990__287_1_164666,
     author = {P.J. Fitzsimmons and Laszlo Csink},
     title = {A stochastic characterization for harmonic morphisms.},
     journal = {Mathematische Annalen},
     pages = {1--18},
     publisher = {mathdoc},
     volume = {287},
     number = {1},
     year = {1990},
     zbl = {0653.58044},
     url = {http://geodesic.mathdoc.fr/item/MAN_1990__287_1_164666/}
}