@article{sips:1959:ra2,
    author = {Sips, Robert},
     title = {Repr\'esentation asymptotique des fonctions de {M}athieu et
              des fonctions sph\'eroidales. {II}},
   journal = {Trans. Amer. Math. Soc.},
    volume = {90},
      year = {1959},
    number = {2},
     pages = {340–368},
   mrclass = {33.00 (65.00)},
  mrnumber = {MR0103995 (21 \#2757)},
mrreviewer = {M. J. O. Strutt},
     links = {\URL[FullText]{http://links.jstor.org/sici?sici=0002-9947%28195902%2990%3A2%3C340%3ARADFDM%3E2.0.CO%3B2-Y}},
     zblno = {0088.05202}}