@article{10_4064_aa158_3_6,
     author = {Weidong Gao and Jiangtao Peng and Qinghai Zhong},
     title = {A quantitative aspect of non-unique factorizations:
 the {Narkiewicz} constants {III}},
     journal = {Acta Arithmetica},
     pages = {271--285},
     publisher = {mathdoc},
     volume = {158},
     number = {3},
     year = {2013},
     doi = {10.4064/aa158-3-6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa158-3-6/}
}