@article{ELMA_1984__39_141346,
     author = {H. Zeitler},
     title = {Zwei {Rekursionsverfahren} zur {Konstruktion} von {Steiner-Systemen.}},
     journal = {Elemente der Mathematik},
     pages = {137--146},
     publisher = {mathdoc},
     volume = {39},
     year = {1984},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1984__39_141346/}
}