@article{10_4153_CJM_1997_052_3,
     author = {Saff, E. B. and Stahl, H.},
     title = {Ray {Sequences} of {Best} {Rational} {Approximants} {For} |x|\ensuremath{\alpha}},
     journal = {Canadian journal of mathematics},
     pages = {1034--1065},
     year = {1997},
     volume = {49},
     number = {5},
     doi = {10.4153/CJM-1997-052-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1997-052-3/}
}