Institute of Mathematics, Jagiellonian University, Reymonta 4, 30-059 Kraków, Poland
Bibliografia
[1] N. P. Bhatia and G. P. Szegö, Stability Theory of Dynamical Systems, Springer, Berlin, 1970.
[2] A. Pelczar, Semi-stability of motions and regular dependence of limit sets on points in general semi-systems, Ann. Polon. Math. 42 (1983), 263-282.
[3] A. Pelczar, Limit sets and prolongations in generalized (multivalued) semi-systems, preprint WS-363, Vrije Universiteit Amsterdam, Faculteit Wiskunde en Informatica, 1990.
[4] A. Pelczar, A contribution to the theory of generalized semi-systems: asymptotic equivalence and generalized prolongational limit sets, to appear.
[5] J. Sabine de Lis, An elementary explicit example of unbounded limit behaviour on the plane, Rev. Acad. Canaria Cienc. 5 (1) (1993), 41-46.
[6] A. Trzepizur, L'équivalence asymptotique au sens de Ważewski: un analogue d'un théorème de Levinson, Bull. Polish Acad. Sci. Math. 36 (1988), 39-46.
[7] T. Ważewski, Sur la coïncidence asymptotique des intégrales de deux systèmes d'équations différentielles, Bull. Acad. Polon. Sci. Lettres Sér. A Sci. Math. 1949, 147-150.