@article{MAN_1935__110_159745,
     author = {E. Zurl},
     title = {Theorie der reduziert-regelm\"a{\ss}igen {Kettenbr\"uche}},
     journal = {Mathematische Annalen},
     pages = {679--717},
     publisher = {mathdoc},
     volume = {110},
     year = {1935},
     zbl = {61.1082.02},
     url = {http://geodesic.mathdoc.fr/item/MAN_1935__110_159745/}
}