@article{MM2_1970__3_154020,
     author = {Dietmar Schumacher},
     title = {Zur {Existenz} freier {Algebren} einer {r-Dimensionalen} {Theorie.}},
     journal = {Manuscripta mathematica},
     pages = {227--236},
     publisher = {mathdoc},
     volume = {3},
     year = {1970},
     zbl = {0203.31302},
     url = {http://geodesic.mathdoc.fr/item/MM2_1970__3_154020/}
}