@article{oai:repository.dl.itc.u-tokyo.ac.jp:00040270,
 author = {Higaki, Masanori},
 issue = {3},
 journal = {Journal of mathematical sciences, the University of Tokyo},
 month = {},
 note = {application/pdf},
 pages = {401--421},
 title = {Actions of Loop Groups on the Space of Harmonic Maps into Reductive Homogeneous Spaces},
 volume = {5},
 year = {1998}
}