@article{lay:1999:hew,
    author = {Lay, Wolfgang and Slavyanov, Sergei {\relax{Yu}}.},
     title = {{H}eun's equation with nearby singularities},
   journal = {Proc. Roy. Soc. London Ser. A},
  fjournal = {The Royal Society of London. Proceedings. Series A.
              Mathematical, Physical and Engineering Sciences},
    volume = {455},
      year = {1999},
     pages = {4347–4361},
      issn = {1364-5021},
   mrclass = {34Axx (34Exx 34Mxx)},
  mrnumber = {MR1809364 (2001m:34122)},
       doi = {10.1098/rspa.1999.0504},
     zblno = {0956.34077}}