@article{hunter:1981:eme,
    author = {Hunter, C. and Guerrieri, B.},
     title = {The eigenvalues of {M}athieu's equation and their branch
              points},
   journal = {Stud. Appl. Math.},
  fjournal = {Studies in Applied Mathematics},
    volume = {64},
      year = {1981},
    number = {2},
     pages = {113–141},
      issn = {0022-2526},
     coden = {SAPMB6},
   mrclass = {34B30},
  mrnumber = {MR0608595 (82c:34030)},
mrreviewer = {R. C. Varma},
     zblno = {0451.34021}}