A note on hyperbolic transformations. - Dása Janovská; Gerhard Opfer (Numer. Linear Algebra Appl., 2001)

On the Numerical Analysis of the Imperfect Bifurcation of codim <= 3. - Klaus Böhmer; Dása Janovská; Vladimír Janovský (SIAM J. Numer. Anal., 2002)