@article{SHC_1963-1964__16_1_A4_0,
     author = {Morlet, Claude},
     title = {Classes fondamentales. {Classes} de {Chern}},
     journal = {S\'eminaire Henri Cartan},
     note = {talk:4},
     pages = {1--15},
     publisher = {Secr\'etariat math\'ematique},
     volume = {16},
     number = {1},
     year = {1963-1964},
     language = {fr},
     url = {http://www.numdam.org/item/SHC_1963-1964__16_1_A4_0/}
}