@article {MATHEDUC.06220568,
author = {Ritelli, Daniele},
title = {Another proof of $\zeta(2)=\frac{\pi^{2}}{6}$ using double integrals.},
year = {2013},
journal = {American Mathematical Monthly},
volume = {120},
number = {7},
issn = {0002-9890},
pages = {642-645},
publisher = {Mathematical Association of America (MAA), Washington, DC},
doi = {10.4169/amer.math.monthly.120.07.642},
abstract = {The author presents a proof of the Euler identity (known as the Basel problem) starting from a double integral that uses a rational function with the lowest degree among the functions used in different proofs of the same kind.},
reviewer = {Cristinel Mortici (T\^argovi\c{s}te)},
msc2010 = {F65xx (I35xx I55xx I65xx)},
identifier = {2014c.00612},
}