G
[Gal76] Zvi Galil. Hierarchies of Complete Problems. Acta Informatica 6:77-88. Springer-Verlag, 1976. 
@article{acta6()-Gal,
  author =              {Galil, Zvi},
  title =               {Hierarchies of Complete Problems},
  publisher =           {Springer-Verlag},
  journal =             {Acta Informatica},
  volume =              {6},
  pages =               {77-88},
  year =                {1976},
}
List of authors