@article{MZ_1963__82_170194,
     author = {Josephine Mitchell},
     title = {Integral theorems for harmonic vectors in three real variables.},
     journal = {Mathematische Zeitschrift},
     pages = {314--334},
     publisher = {mathdoc},
     volume = {82},
     year = {1963},
     zbl = {0118.31301},
     url = {http://geodesic.mathdoc.fr/item/MZ_1963__82_170194/}
}