@article{10_4153_CJM_1983_031_7,
     author = {Borwein, Peter B.},
     title = {Uniform {Approximation} by {Polynomials} with {Variable} {Exponents}},
     journal = {Canadian journal of mathematics},
     pages = {547--557},
     year = {1983},
     volume = {35},
     number = {3},
     doi = {10.4153/CJM-1983-031-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1983-031-7/}
}