@article{MAN_1967__173_161598,
     author = {Rudolf Borges},
     title = {Ecken des {Wertebereiches} von {Vektorintegralen}},
     journal = {Mathematische Annalen},
     pages = {53--58},
     publisher = {mathdoc},
     volume = {173},
     year = {1967},
     zbl = {0153.08701},
     url = {http://geodesic.mathdoc.fr/item/MAN_1967__173_161598/}
}