@article{marcellan:1993:ops,
    author = {Marcell{\'a}n, F. and Alfaro, M. and Rezola, M. L.},
     title = {Orthogonal polynomials on {S}obolev spaces: Old and new
              directions},
   journal = {J. Comput. Appl. Math.},
  fjournal = {Journal of Computational and Applied Mathematics},
    volume = {48},
      year = {1993},
    number = {1-2},
     pages = {113–131},
      issn = {0377-0427},
     coden = {JCAMDI},
   mrclass = {42C05 (33C45 34B05 39A10)},
  mrnumber = {MR1246854 (94m:42054)},
mrreviewer = {C. M. Joshi},
       doi = {10.1016/0377-0427(93)90318-6},
     zblno = {0790.42015}}