@article{GDZPPN002336111, title = {Complex cobordism ring and conformal field theory over Z.}, journal = {Mathematische Annalen}, volume = {291}, year = {1991}, pages = {551-572}, url = {http://dml.mathdoc.fr/item/GDZPPN002336111} }
Katsura, Toshiyuki; Shimizu, Yuji. Complex cobordism ring and conformal field theory over Z.. Mathematische Annalen, Tome 291 (1991) pp. 551-572. http://gdmltest.u-ga.fr/item/GDZPPN002336111/