@article{05191876,
title = {Squaring the circle via affine congruence by dissection with smooth pieces.},
journal = {Beitr\"age zur Algebra und Geometrie},
volume = {48},
year = {2007},
pages = {423-434},
zbl = {1177.52009},
language = {en},
url = {http://dml.mathdoc.fr/item/05191876}
}
Richter, Christian. Squaring the circle via affine congruence by dissection with smooth pieces.. Beiträge zur Algebra und Geometrie, Tome 48 (2007) pp. 423-434. http://gdmltest.u-ga.fr/item/05191876/