@article{1077473251,
author = {Wintner, Aurel},
title = {The linear difference equation of first order for angular
variables},
journal = {Duke Math. J.},
volume = {12},
number = {1},
year = {1945},
pages = { 445-449},
language = {en},
url = {http://dml.mathdoc.fr/item/1077473251}
}
Wintner, Aurel. The linear difference equation of first order for angular
variables. Duke Math. J., Tome 12 (1945) no. 1, pp. 445-449. http://gdmltest.u-ga.fr/item/1077473251/