@article{wong:2005:out,
    author = {Wong, R. and Zhao, Yu-Qiu},
     title = {On a uniform treatment of {D}arboux's method},
   journal = {Constr. Approx.},
  fjournal = {Constructive Approximation. An International Journal for
              Approximations and Expansions},
    volume = {21},
      year = {2005},
    number = {2},
     pages = {225–255},
      issn = {0176-4276},
   mrclass = {41A60 (30B10)},
  mrnumber = {MR2107940},
       doi = {10.1007/s00365-004-0562-9},
     zblno = {1074.41505}}