@article{10_4064_aa_28_4_419_428,
     author = {Heinrich Lang},
     title = {\"Uber einfache periodische {Kettenbr\"uche} und {Vermutungen} von {P.} {Chowla} und {S.} {Chowla}},
     journal = {Acta Arithmetica},
     pages = {419--428},
     publisher = {mathdoc},
     volume = {28},
     number = {4},
     year = {1975},
     doi = {10.4064/aa-28-4-419-428},
     language = {de},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-28-4-419-428/}
}