@article{10_4064_cm_50_2_257_262,
     author = {Wojciech Chojnacki},
     title = {Sur un th\'eor\`eme de {Day,} un th\'eor\`eme de {Mazur-Orlicz} et une g\'en\'eralisation de quelques th\'eor\`emes de {Silverman}},
     journal = {Colloquium Mathematicum},
     pages = {257--262},
     publisher = {mathdoc},
     volume = {50},
     number = {2},
     year = {1985},
     doi = {10.4064/cm-50-2-257-262},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-50-2-257-262/}
}