@article{1270042395, author = {YAMADA, Yuichi}, title = {Decomposition of $S^4$ As a Twisted Double of a Certain Manifold}, journal = {Tokyo J. of Math.}, volume = {20}, number = {2}, year = {1997}, pages = { 23-33}, language = {en}, url = {http://dml.mathdoc.fr/item/1270042395} }
YAMADA, Yuichi. Decomposition of $S^4$ As a Twisted Double of a Certain Manifold. Tokyo J. of Math., Tome 20 (1997) no. 2, pp. 23-33. http://gdmltest.u-ga.fr/item/1270042395/