@article{JRAM_1980__315_152221,
     author = {H.C. Williams},
     title = {Some results concerning the nearest integer continued fraction expansion of {...D.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {1--15},
     publisher = {mathdoc},
     volume = {315},
     year = {1980},
     zbl = {0425.10037},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1980__315_152221/}
}