@article{oai:repository.dl.itc.u-tokyo.ac.jp:00040086,
 author = {Nagoya, Hajime},
 issue = {4},
 journal = {Journal of mathematical sciences, the University of Tokyo},
 month = {Feb},
 pages = {493--519},
 title = {Quantization of differential systems with the affine Weyl group symmetries  of type C(1)N},
 volume = {15},
 year = {2009}
}