@article{MAN_1980__249_163400,
     author = {Seiki Nishikawa},
     title = {On the {Neumann} {Problem} for the {Nonlinear} {Parabolic} {Equation} of {Eells-Sampson} and {Harmonie} {Mappings.}},
     journal = {Mathematische Annalen},
     pages = {177--190},
     publisher = {mathdoc},
     volume = {249},
     year = {1980},
     zbl = {0421.35043},
     url = {http://geodesic.mathdoc.fr/item/MAN_1980__249_163400/}
}