@article{1178229644,
author = {Carvalho, Luis Antonio Viera and Infante, Ettore Ferrari and Walker, John Andrew},
title = {On the existence of simple Liapunov functions for linear retarded difference-differential equations},
journal = {Tohoku Math. J. (2)},
volume = {32},
number = {4},
year = {1980},
pages = { 283-297},
language = {en},
url = {http://dml.mathdoc.fr/item/1178229644}
}
Carvalho, Luis Antonio Viera; Infante, Ettore Ferrari; Walker, John Andrew. On the existence of simple Liapunov functions for linear retarded difference-differential equations. Tohoku Math. J. (2), Tome 32 (1980) no. 4, pp. 283-297. http://gdmltest.u-ga.fr/item/1178229644/