@article{MAN_1994__298_2_165170, author = {Takashi Okayasu}, title = {Regularity of minimizing harmonic maps into {S4,} {S5} and symmetric spaces.}, journal = {Mathematische Annalen}, pages = {193--206}, publisher = {mathdoc}, volume = {298}, number = {2}, year = {1994}, zbl = {0788.58017}, url = {http://geodesic.mathdoc.fr/item/MAN_1994__298_2_165170/} }