@article{GDZPPN002181797,
title = {On asymptotic solutions of systems of nonlinear difference equations.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {222},
year = {1966},
pages = {120-135},
zbl = {0142.05703},
url = {http://dml.mathdoc.fr/item/GDZPPN002181797}
}
Harris, W.A. Jr.; Sibuya, Y. On asymptotic solutions of systems of nonlinear difference equations.. Journal für die reine und angewandte Mathematik, Tome 222 (1966) pp. 120-135. http://gdmltest.u-ga.fr/item/GDZPPN002181797/