@article{oai:tsukuba.repo.nii.ac.jp:00017151,
 author = {Reissig, Michael and Yagdjian, Karen},
 issue = {3},
 journal = {Tsukuba Journal of Mathematics},
 month = {Dec},
 pages = {671--706},
 title = {On the Stokes matrix for a family of infinitely degenerate operators of second order},
 volume = {21},
 year = {1997}
}