Sources of CMB Spots in Closed Hyperbolic Universes
  The results of a previous paper by the author [Astrophys. J. 470, 43 (1996) are improved, through a more reliable technique for finding the location of sources whose images are on the surface of last scattering. 
Helio V. Fagundes (Instituto de Fisica Teorica, UNESP, Sao Paulo)