1.

Conference Proceedings
Conference Proceedings
1. e+e- Colliders
Bonvicini G. ; Gutierrez P. ; Pellegrini C.
Pub. info.: Techniques and concepts of high-energy physics III.  pp.401-431,  1985.  New York.  Plenum Press
Title of ser.: NATO ASI series. Series B, Physics
Ser. no.: 128
2.

Conference Proceedings
Conference Proceedings
2. Nekhoroshev and KAM theorems revisited via a unified approach
Delshams A. ; Gutierrez P.
Pub. info.: Hamiltonian mechanics : integrability and chaotic behavior.  pp.299-306,  1994.  New York.  Plenum Press
Title of ser.: NATO ASI series. Series B, Physics
Ser. no.: 331
3.

Conference Proceedings
Conference Proceedings
3. EXPONENTIALLY SMALL ESTIMATES FOR KAM THEOREM NEAR AN ELLIPTIC EQUILIBRIUM POINT
Delshams A. ; Gutierrez P.
Pub. info.: Hamiltonian systems with three or more degrees of freedom.  pp.386-390,  1999.  Dordrecht, Mass..  Kluwer Academic Publishers
Title of ser.: NATO ASI series. Series C, Mathematical and physical sciences
Ser. no.: 533