@article{NUMA_1976__27_132447,
     author = {L.M. Delves and M. Bain},
     title = {The {Convergence} {Rates} of {Expansions} in {Jacobi} {Polynomials.}},
     journal = {Numerische Mathematik},
     pages = {219--226},
     publisher = {mathdoc},
     volume = {27},
     year = {1976},
     zbl = {0345.65007},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1976__27_132447/}
}