@article{oai:repository.dl.itc.u-tokyo.ac.jp:00040002,
 author = {Ochiai, Hiroyuki and Zunderiya, Uuganbayar},
 issue = {2},
 journal = {Journal of mathematical sciences, the University of Tokyo},
 month = {Nov},
 pages = {285--315},
 title = {A Generalized Hypergeometric System},
 volume = {20},
 year = {2013}
}