@article{01122724, title = {Ward's solitons.}, journal = {Geometry \& Topology}, volume = {1}, year = {1997}, pages = {9-20}, doi = {10.2140/gt.1997.1.9}, zbl = {0886.35130}, language = {en}, url = {http://dml.mathdoc.fr/item/01122724} }
Anand, Christopher. Ward's solitons.. Geometry & Topology, Tome 1 (1997) pp. 9-20. doi : 10.2140/gt.1997.1.9. http://gdmltest.u-ga.fr/item/01122724/