@article{aly:1975:sp,
    author = {Aly, H. H. and M{\"u}ller-Kirsten, H. J. W. and Vahedi-Faridi,
              N.},
     title = {Scattering by singular potentials with a
              perturbation – Theoretical introduction to {M}athieu functions},
   journal = {J. Mathematical Phys.},
    volume = {16},
      year = {1975},
     pages = {961–970},
      note = {Erratum: same journal {\bf 17} (1975), no. 7, p. 1361},
   mrclass = {81.34},
  mrnumber = {MR0411430 (53 \#15165a)},
mrreviewer = {K. Veselic},
       doi = {10.1063/1.522602},
     zblno = {0307.33008}}