Åbo Akademis bibliotek - Databasen Biblio

1.	Söderbacka, Gunnar / Matematiska institutionen
	On the structure of the boundary of an invariant set of system of differential equations with non-transversal intersections of stable and unstable manifolds : 8 / Gunnar Söderbacka. - Åbo : Åbo Academy Press, 1988. - 16 s - (Acta Academiae Aboensis, Ser B., Mathematica et physica, ISSN 0001-5105 ; vol 47, nr 7). ISBN 951-9498-25-7