@article{1250524306, author = {Hironaka, Heisuke}, title = {On the characters $\nu^*$ and $\tau^*$ of singularities}, journal = {J. Math. Kyoto Univ.}, volume = {7}, number = {3}, year = {1967}, pages = { 19-43}, language = {en}, url = {http://dml.mathdoc.fr/item/1250524306} }
Hironaka, Heisuke. On the characters $\nu^*$ and $\tau^*$ of singularities. J. Math. Kyoto Univ., Tome 7 (1967) no. 3, pp. 19-43. http://gdmltest.u-ga.fr/item/1250524306/