@article{PSMIR_1973___1_A4_0,
     author = {Lengyel, Pierre},
     title = {Racines de fonctions diff\'erentiables},
     journal = {Publications des s\'eminaires de math\'ematiques et informatique de Rennes},
     note = {talk:4},
     pages = {1--23},
     publisher = {D\'epartement de Math\'ematiques et Informatique, Universit\'e de Rennes},
     number = {1},
     year = {1973},
     language = {fr},
     url = {http://archive.numdam.org/item/PSMIR_1973___1_A4_0/}
}