@article {LeSaSt,
    AUTHOR = {Levin, A. L. and Saff, E. B. and Stylianopoulos, N. S.},
     TITLE = {Zero distribution of {B}ergman orthogonal polynomials for
              certain planar domains},
   JOURNAL = {Constr. Approx.},
  FJOURNAL = {Constructive Approximation. An International Journal for
              Approximations and Expansions},
    VOLUME = {19},
      YEAR = {2003},
    NUMBER = {3},
     PAGES = {411--435},
      ISSN = {0176-4276},
   MRCLASS = {30C15 (30C10 30C85 31A05 31A15)},
  MRNUMBER = {2004a:30007},
MRREVIEWER = {N. K. Govil},
}

@article {MiSaSt,
    AUTHOR = {Mina Diaz, E.  and Saff, E. B. and Stylianopoulos, N. S.},
     TITLE = {Zero distribution of weighted {B}ergman orthogonal polynomials},
   JOURNAL = {(in preparation)},
}

@book {Gabook,
    AUTHOR = {Gaier, Dieter},
     TITLE = {Lectures on complex approximation},
      NOTE = {Translated from the German by Renate McLaughlin},
 PUBLISHER = {Birkh\"auser Boston Inc.},
   ADDRESS = {Boston, MA},
      YEAR = {1987},
     PAGES = {xvi+196},
      ISBN = {0-8176-3147-X},
   MRCLASS = {30E10 (30-02)},
  MRNUMBER = {88i:30059b},
}

@book {Su,
    AUTHOR = {Suetin, P. K.},
     TITLE = {Polynomials orthogonal over a region and {B}ieberbach
              polynomials},
 BOOKTITLE = {Proceedings of the Steklov Institute of Mathematics, No. 100
              (1971)},
      NOTE = {Translated from the Russian by R. P. Boas},
 PUBLISHER = {American Mathematical Society},
   ADDRESS = {Providence, R.I.},
      YEAR = {1974},
     PAGES = {iv+91},
   MRCLASS = {42A52},
  MRNUMBER = {57 \#3732b},
MRREVIEWER = {W. H. Fuchs},
}