APA (7th ed.) Zitazioa

Katok, A., & Strelcyn, J. (1986). Invariant manifolds, entropy and billiards; smooth maps with singularities. Springer-Verlag.

Chicago Style (17th ed.) Zitazioa

Katok, Anatole, eta Jean-Marie Strelcyn. Invariant Manifolds, Entropy and Billiards; Smooth Maps with Singularities. Berlín: Springer-Verlag, 1986.

MLA (9th ed.) Zitazioa

Katok, Anatole, eta Jean-Marie Strelcyn. Invariant Manifolds, Entropy and Billiards; Smooth Maps with Singularities. Springer-Verlag, 1986.