@article{MZ_1964__86_170319,
     author = {T. Butler and R. Carroll},
     title = {Some remarks on vector analysis.},
     journal = {Mathematische Zeitschrift},
     pages = {1--11},
     publisher = {mathdoc},
     volume = {86},
     year = {1964},
     zbl = {0136.16503},
     url = {http://geodesic.mathdoc.fr/item/MZ_1964__86_170319/}
}