@article{gordon:1969:nmc,
    author = {Gordon, Roy G.},
     title = {New method for constructing wavefunctions for bound states and
              scattering},
   journal = {J. Chem. Phys.},
    volume = {51},
      year = {1969},
     pages = {14–25},
   mrclass = {81.34},
  mrnumber = {MR0321441 (47 \#9974)},
mrreviewer = {K. J. Le Couteur},
       doi = {10.1063/1.1671699}}