1. Stability of linear impulsive differential equations;Milev, N. V.;Internat. J. Systems Sci.,1990
2. V. Cortés, C. Fernández, and R. Rebolledo, Wave operators for discontinuous dynamics, submitted.
3. V. Cortés and H. Prado, Weak scattering and impulsive systems, Preprint.
4. J. Cook, Cargase Lectures in Theoretical Physics, (F. Lurchit, ed.) Gordon and Breach, New York, 1967.
5. Time-dependent scattering theory;Davies, E. B.;Math. Ann.,1974