@article{1103908499, author = {Ward, R. S.}, title = {Self-dual space-times with cosmological constant}, journal = {Comm. Math. Phys.}, volume = {71}, number = {1}, year = {1980}, pages = { 1-17}, language = {en}, url = {http://dml.mathdoc.fr/item/1103908499} }
Ward, R. S. Self-dual space-times with cosmological constant. Comm. Math. Phys., Tome 71 (1980) no. 1, pp. 1-17. http://gdmltest.u-ga.fr/item/1103908499/