@article{10_4153_CJM_2015_034_4,
     author = {Kopotun, Kirill and Leviatan, Dany and Shevchuk, Igor},
     title = {Constrained {Approximation} with {Jacobi} {Weights}},
     journal = {Canadian journal of mathematics},
     pages = {109--128},
     year = {2016},
     volume = {68},
     number = {1},
     doi = {10.4153/CJM-2015-034-4},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2015-034-4/}
}