@article{CMH_1973__48_139544,
     author = {Alice Roth},
     title = {Meromorphe {Approximationen}},
     journal = {Commentarii mathematici Helvetici},
     pages = {151--176},
     year = {1973},
     volume = {48},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/CMH_1973__48_139544/}
}