On Alfred Gray's Elliptical Catenoid
  We give a parameterization of Alfred Gray's Elliptical Catenoid and Elliptical Hellicoid using Jacobi's elliptic functions. This parameterization avoids some problems present in the original depiction of these surfaces. 
Hugo Jim\'enez-P\'erez and Santiago L\'opez de Medrano
math.DG cs.CG