@article{GDZPPN002083515,
title = {Covering a Square by Equal Circles.},
journal = {Elemente der Mathematik},
volume = {50},
year = {1995},
pages = {167-170},
zbl = {0847.52018},
url = {http://dml.mathdoc.fr/item/GDZPPN002083515}
}
Tarnai, T.; Gáspár, Zsolt. Covering a Square by Equal Circles.. Elemente der Mathematik, Tome 50 (1995) pp. 167-170. http://gdmltest.u-ga.fr/item/GDZPPN002083515/