@article{CRMATH_2004__339_1_21_0,
     author = {Badea, Catalin and M\"uller, Vladimir},
     title = {Invertible extensions and growth conditions},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {21--26},
     publisher = {Elsevier},
     volume = {339},
     number = {1},
     year = {2004},
     doi = {10.1016/j.crma.2004.04.011},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2004.04.011/}
}