@article{olver:1977:cfsb,
    author = {Olver, F. W. J.},
     title = {\NOOP{B}Connection formulas for second-order differential equations
              having an arbitrary number of turning points of arbitrary
              multiplicities},
   journal = {SIAM J. Math. Anal.},
    volume = {8},
      year = {1977},
    number = {4},
     pages = {673–700},
   mrclass = {34E20},
  mrnumber = {MR0454215 (56 \#12466)},
mrreviewer = {W. Wasow},
       doi = {10.1137/0508053},
     zblno = {0353.34064}}