@article{1183532222,
author = {Gragg, W. B.},
title = {Truncation error bounds for $\pi$-fractions},
journal = {Bull. Amer. Math. Soc.},
volume = {76},
number = {4},
year = {1970},
pages = { 1091-1094},
language = {en},
url = {http://dml.mathdoc.fr/item/1183532222}
}
Gragg, W. B. Truncation error bounds for $\pi$-fractions. Bull. Amer. Math. Soc., Tome 76 (1970) no. 4, pp. 1091-1094. http://gdmltest.u-ga.fr/item/1183532222/