References
- Bainov , D. and Covachev , V. 1994 . “ Impulsive Differential Equations with a Small Parameter ” . Singapore : World Scientific Publishers .
- Bainov , D. , Kamont , Z. and Minchev , E. 1996 . “ Approximate Solutions of Impulsive Hyperbolic Equations ” . Calcutta : Academic Publishers .
- Bainov , D. and Kostadinov , S. 1996 . “ Abstract Impulsive Differential Equations ” . Koriyama : Descartes Press .
- Bainov , D. and Minchev , E. 1995 . Impulsive partial differential equations of first order-(I) Theorems on impulsive differential equalities . Journal of Henan University , 25 ( 4 ) : 9 – 18 . (Nat. Sci)
- Bainov , D. and Michev , E. 1996 . Impulsive partial differential equations of first order-(II) Stability of solutions and difference methods . Journal of Hanan University , 26 ( 1 ) : 1 – 13 . (Nat. Sci)
- Bainov , D. and Minchev , E. 1996 . Trends in the theory of impulsive partial differential equations . Nonlinear World , 3 ( 3 ) : 357 – 384 .
- Bainov , D. and Simeonov , P. 1989 . Systems with Impulse Effect: Stability . Theory and Applications ,
- Bainov , D. and Simeonov , P. 1995 . “ Theory of Impulsive Differential Equations ” . In Asymptotic Properties of the Solutions , Singapore : World Scientific Publishers .
- Bainov , D. and Simeonov , P. 1993 . Theory of Impulsive Differential Equations . Periodic Solutions and Applications ,
- Lakshmikantham , V. , Bainov , D. and Simeonov , P. 1989 . “ Theory of Impulsive Differential Equations ” . Singapore : World Scientific Publishers .
- Mil'man , V. and Myshkis , A. 1960 . On the stability of motion in the presence of impulses . Sib. Math. J , 1 ( 2 ) : 233 – 237 . (in Russian)
- Minchev , E. and Okoroafor , I.E. 1997 . Present state of the qualitative theory of the impulsive partial differential equations . Comm. Appl. Anal , 1 ( 3 ) : 351 – 369 .