@article{MZ_1973__131_251844,
     author = {Michael J. Kallaher},
     title = {Correction to },
     journal = {Mathematische Zeitschrift},
     pages = {335--338},
     publisher = {mathdoc},
     volume = {131},
     year = {1973},
     zbl = {0246.50005},
     url = {http://geodesic.mathdoc.fr/item/MZ_1973__131_251844/}
}