@article{1102817507,
author = {Stanton, R. G. and Sudler, C. and Williams, H. C.},
title = {An upper bound for the period of the simple continued fraction for $\sqrtD$.},
journal = {Pacific J. Math.},
volume = {67},
number = {2},
year = {1976},
pages = { 525-536},
language = {en},
url = {http://dml.mathdoc.fr/item/1102817507}
}
Stanton, R. G.; Sudler, C.; Williams, H. C. An upper bound for the period of the simple continued fraction for $\sqrtD$.. Pacific J. Math., Tome 67 (1976) no. 2, pp. 525-536. http://gdmltest.u-ga.fr/item/1102817507/