@article{1077466826,
author = {Duffin, R. J.},
title = {Basic properties of discrete analytic functions},
journal = {Duke Math. J.},
volume = {23},
number = {1},
year = {1956},
pages = { 335-363},
language = {en},
url = {http://dml.mathdoc.fr/item/1077466826}
}
Duffin, R. J. Basic properties of discrete analytic functions. Duke Math. J., Tome 23 (1956) no. 1, pp. 335-363. http://gdmltest.u-ga.fr/item/1077466826/