@article{10_4153_CJM_2013_014_9,
     author = {Kuo, Wentang and Liu, Yu-Ru and Zhao, Xiaomei},
     title = {Multidimensional {Vinogradov-type} {Estimates} in {Function} {Fields}},
     journal = {Canadian journal of mathematics},
     pages = {844--873},
     year = {2014},
     volume = {66},
     number = {4},
     doi = {10.4153/CJM-2013-014-9},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2013-014-9/}
}