@article{andrews:1980:cqs,
    author = {Andrews, George E. and Foata, Dominique},
     title = {Congruences for the $q$-secant numbers},
   journal = {European J. Combin.},
  fjournal = {European Journal of Combinatorics},
    volume = {1},
      year = {1980},
    number = {4},
     pages = {283–287},
      issn = {0195-6698},
   mrclass = {05A19 (10A10)},
  mrnumber = {MR0595926 (82d:05018)},
mrreviewer = {J. E. Cigler},
     zblno = {0455.10006}}