@article{CRMATH_2017__355_4_370_0,
     author = {Ji, Qingzhong and Qin, Hourong},
     title = {Lehmer's totient problem over $ {\mathbb{F}}_{q}[x]$},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {370--377},
     publisher = {Elsevier},
     volume = {355},
     number = {4},
     year = {2017},
     doi = {10.1016/j.crma.2017.03.007},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2017.03.007/}
}