@article{MOMA_1954__58_176935,
     author = {Karl H. Wolff},
     title = {\"Uber kritische {Gitter} im vierdimensionalen {Raum} {(R4).}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {38--56},
     publisher = {mathdoc},
     volume = {58},
     year = {1954},
     zbl = {0056.04302},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1954__58_176935/}
}