@article{10_4064_aa128_2_4,
     author = {Florian Luca and Pantelimon St\u{a}nic\u{a}},
     title = {Linear equations with the {Euler} totient function},
     journal = {Acta Arithmetica},
     pages = {135--147},
     publisher = {mathdoc},
     volume = {128},
     number = {2},
     year = {2007},
     doi = {10.4064/aa128-2-4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa128-2-4/}
}