Scattering poles for connected sums of euclidean space and Zoll manifolds

Farhy, L. S.; Tsanov, V. V.

Annales de l'I.H.P. Physique théorique, Volume 65 (1996) p. 163-174

Distribution near the real axis of scattering poles generated by a non-hyperbolic periodic ray

Farhy, Leon S.

Annales de l'I.H.P. Physique théorique, Volume 60 (1994) p. 291-302