@article{andrews:2000:ucb,
    author = {Andrews, George E.},
     title = {Umbral calculus, {B}ailey chains, and pentagonal number
              theorems},
      note = {In memory of Gian-Carlo Rota},
   journal = {J. Combin. Theory Ser. A},
  fjournal = {Journal of Combinatorial Theory. Series A},
    volume = {91},
      year = {2000},
    number = {1-2},
     pages = {464–475},
      issn = {0097-3165},
     coden = {JCBTA7},
   mrclass = {05A40 (33D15 33D80)},
  mrnumber = {MR1780034 (2001j:05016)},
mrreviewer = {Alessandro Di Bucchianico},
       doi = {10.1006/jcta.2000.3111},
     zblno = {0985.11048}}