@article{SD_1958-1959__12_1_A4_0,
     author = {Zisman, Michel},
     title = {$\chi _y$-caract\'eristique virtuelle d{\textquoteright}apr\`es {F.} {Hirzebruch}},
     journal = {S\'eminaire Dubreil. Alg\`ebre et th\'eorie des nombres},
     note = {talk:4},
     pages = {1--11},
     publisher = {Secr\'etariat math\'ematique},
     volume = {12},
     number = {1},
     year = {1958-1959},
     zbl = {0122.41601},
     language = {fr},
     url = {http://archive.numdam.org/item/SD_1958-1959__12_1_A4_0/}
}