@TECHREPORT {SSM05,
     AUTHOR = {Swart, Arno and Sleijpen, Gerard L. G. and Maas, Leo R.M.
               and Brandts, Jan},
      TITLE = {Numerical solution of the two dimensional
               {P}oincar\'e equation},
       TYPE = {Preprint},
     NUMBER = {1320},
INSTITUTION = {Dep. Math., University Utrecht},
    ADDRESS = {Utrecht, the Netherlands},
      MONTH = {Februari},
       YEAR = {2005},}



@ARTICLE {SSM07,
     AUTHOR = {Swart, Arno and Sleijpen, Gerard L. G. and Maas, Leo R.M.
               and Brandts, Jan},
      TITLE = {Numerical solution of the two dimensional
               {P}oincar\'e equation},
  JOURNAL = {J. Comput. Appl. Math.},
 FJOURNAL = {Journal of Computational and Applied Mathematics},
   VOLUME = {200},
     YEAR = {2007},
   NUMBER = {1},
    PAGES = {317-341},
     ISSN = {},
    CODEN = {},}