@article{05122034, title = {Einstein metrics on exotic spheres in dimensions 7, 11 and 15.}, journal = {Experimental Mathematics}, volume = {14}, year = {2005}, pages = {59-64}, doi = {10.1080/10586458.2005.10128907}, zbl = {1112.53033}, language = {en}, url = {http://dml.mathdoc.fr/item/05122034} }
Boyer, Charles P.; Galicki, Krzysztof; Kollár, János; Thomas, Evan. Einstein metrics on exotic spheres in dimensions 7, 11 and 15.. Experimental Mathematics, Tome 14 (2005) pp. 59-64. doi : 10.1080/10586458.2005.10128907. http://gdmltest.u-ga.fr/item/05122034/