@article{1183485570,
author = {Bray, H. E.},
title = {Proof of a formula for an area},
journal = {Bull. Amer. Math. Soc.},
volume = {29},
number = {10},
year = {1923},
pages = { 264-270},
language = {en},
url = {http://dml.mathdoc.fr/item/1183485570}
}
Bray, H. E. Proof of a formula for an area. Bull. Amer. Math. Soc., Tome 29 (1923) no. 10, pp. 264-270. http://gdmltest.u-ga.fr/item/1183485570/