@article{PSMIR_1973___2_A1_0,
     author = {Bolley, P. and Camus, J.},
     title = {Op\'erateurs \`a indice},
     journal = {Publications des s\'eminaires de math\'ematiques et informatique de Rennes},
     note = {talk:1},
     pages = {1--29},
     publisher = {D\'epartement de Math\'ematiques et Informatique, Universit\'e de Rennes},
     number = {2},
     year = {1973},
     language = {fr},
     url = {http://www.numdam.org/item/PSMIR_1973___2_A1_0/}
}