@article{JRAM_1921__151_149498,
     author = {Paul Epstein},
     title = {\"Uber {Elementarkettenbr\"uche,} lineare {Substitutionen} und indefinite bin\"are quadratische {Formen.} {II.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {32--62},
     publisher = {mathdoc},
     volume = {151},
     year = {1921},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1921__151_149498/}
}