@article{AM2_1969__2_182360,
     author = {W. EICHHORN and W. OETTLI},
     title = {Mehrproduktunternehmungen mit linearen {Expansionswegen} {(Short} {Communication)}},
     journal = {Aequationes mathematicae},
     pages = {406--406},
     year = {1969},
     volume = {2},
     url = {http://geodesic.mathdoc.fr/item/AM2_1969__2_182360/}
}