@article{05379356,
title = {Multiple Laurent series and fundamental solutions of linear difference equations.},
journal = {Sibirskij Matematicheskij Zhurnal},
volume = {48},
year = {2007},
pages = {335-340},
zbl = {1164.39302},
language = {en},
url = {http://dml.mathdoc.fr/item/05379356}
}
Lejnartas, E.K. Multiple Laurent series and fundamental solutions of linear difference equations.. Sibirskij Matematicheskij Zhurnal, Tome 48 (2007) pp. 335-340. http://gdmltest.u-ga.fr/item/05379356/