@article{02104573,
title = {Approximate squaring.},
journal = {Experimental Mathematics},
volume = {13},
year = {2004},
pages = {113-128},
doi = {10.1080/10586458.2004.10504526},
zbl = {1115.11045},
language = {en},
url = {http://dml.mathdoc.fr/item/02104573}
}
Lagarias, J.C.; Sloane, N.J.A. Approximate squaring.. Experimental Mathematics, Tome 13 (2004) pp. 113-128. doi : 10.1080/10586458.2004.10504526. http://gdmltest.u-ga.fr/item/02104573/