@article{PMB_1989___1_A5_0,
     author = {Henri Lombardi},
     title = {Th\'eor\`eme des z\'eros r\'eel effectif et variantes},
     journal = {Publications math\'ematiques de Besan\c{c}on. Alg\`ebre et th\'eorie des nombres},
     eid = {5},
     pages = {1--29},
     publisher = {Presses universitaires de Franche-Comt\'e},
     number = {1},
     year = {1989},
     doi = {10.5802/pmb.a-60},
     language = {fr},
     url = {https://pmb.centre-mersenne.org/articles/10.5802/pmb.a-60/}
}