@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/