@article{BAG_1988__27_138405,
     author = {G. GEISE},
     title = {Projektion des {Schnitts} zweier {Quadriken}},
     journal = {Beitr\"age zur Algebra und Geometrie},
     pages = {21--32},
     publisher = {mathdoc},
     volume = {27},
     year = {1988},
     url = {http://geodesic.mathdoc.fr/item/BAG_1988__27_138405/}
}