@article{1200779323, author = {Aithal, A. R.}, title = {Harmonic maps from $S\sp 2$ to ${\bf H}P\sp 2$}, journal = {Osaka J. Math.}, volume = {23}, number = {1}, year = {1986}, pages = { 255-270}, language = {en}, url = {http://dml.mathdoc.fr/item/1200779323} }
Aithal, A. R. Harmonic maps from $S\sp 2$ to ${\bf H}P\sp 2$. Osaka J. Math., Tome 23 (1986) no. 1, pp. 255-270. http://gdmltest.u-ga.fr/item/1200779323/