@article{1270150720, author = {EJIRI, Norio}, title = {Calabi Lifting and Surface Geometry in $S^4$}, journal = {Tokyo J. of Math.}, volume = {09}, number = {2}, year = {1986}, pages = { 297-324}, language = {en}, url = {http://dml.mathdoc.fr/item/1270150720} }
EJIRI, Norio. Calabi Lifting and Surface Geometry in $S^4$. Tokyo J. of Math., Tome 09 (1986) no. 2, pp. 297-324. http://gdmltest.u-ga.fr/item/1270150720/