@article{CMH_1972__47_139502,
     author = {H.P. Butzmann},
     title = {\"Uber die {...-Reflexivit\"at} von {C...(X)}},
     journal = {Commentarii mathematici Helvetici},
     pages = {92--101},
     publisher = {mathdoc},
     volume = {47},
     year = {1972},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/CMH_1972__47_139502/}
}