@article{MZ_1960__73_169852,
     author = {E.P. Merkes and W.T. Scott},
     title = {Covering theorems for {S-fractions.}},
     journal = {Mathematische Zeitschrift},
     pages = {333--338},
     publisher = {mathdoc},
     volume = {73},
     year = {1960},
     zbl = {0094.27605},
     url = {http://geodesic.mathdoc.fr/item/MZ_1960__73_169852/}
}