On a new extension of Lyapunov's direct method to discrete equations
Luiz Antonio Vieira de Carvalho R. R Ferreira
Quarterly of Applied Mathematics Providence : American Mathematical Society v. 46, n. 4 , p. 779-788, 1988Providence 1988
Localização: ICMC - Inst. Ciên. Mat. Computação (PROD-784201 )(Acessar)