@article{1183415280,
author = {Beman, W. W.},
title = {Euler's use of $i$ to represent an imaginary},
journal = {Bull. Amer. Math. Soc.},
volume = {4},
number = {8},
year = {1898},
language = {en},
url = {http://dml.mathdoc.fr/item/1183415280}
}
Beman, W. W. Euler's use of $i$ to represent an imaginary. Bull. Amer. Math. Soc., Tome 4 (1898) no. 8, . http://gdmltest.u-ga.fr/item/1183415280/