@article{10_4153_CMB_1991_032_x,
     author = {Dyn, N. and Lubinsky, D. S. and Shekhtman, Boris},
     title = {On {Density} of {Generalized} {Polynomials}},
     journal = {Canadian mathematical bulletin},
     pages = {202--207},
     year = {1991},
     volume = {34},
     number = {2},
     doi = {10.4153/CMB-1991-032-x},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1991-032-x/}
}