@article{oai:tsukuba.repo.nii.ac.jp:00039305,
 author = {MIURA, Kouhei},
 issue = {2},
 journal = {Tsukuba Journal of Mathematics},
 month = {},
 pages = {397--409},
 title = {Construction of Harmonic Maps between Semi-Riemannian Spheres},
 volume = {31},
 year = {2007}
}