@article{AM2_1969__2_182359,
     author = {W. EICHHORN},
     title = {Eine {Verallgemeinerung} des {Begriffes} der homogenen {Produktionsfunktion} {(Short} {Communication)}},
     journal = {Aequationes mathematicae},
     pages = {405--406},
     publisher = {mathdoc},
     volume = {2},
     year = {1969},
     url = {http://geodesic.mathdoc.fr/item/AM2_1969__2_182359/}
}