@article{10_4153_CMB_1990_075_1, author = {Devore, Ronald A. and Leviatan, D. and Yu, Xiang Ming}, title = {LP {Approximation} by {Reciprocals} of {Trigonometric} and {Algebraic} {Polynomials}}, journal = {Canadian mathematical bulletin}, pages = {460--469}, year = {1990}, volume = {33}, number = {4}, doi = {10.4153/CMB-1990-075-1}, url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1990-075-1/} }