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@article{NUMA_1984__44_132917, author = {Walter Gautschi}, title = {Discrete {Approximations} to {Spherically} {Symmetric} {Distributions.}}, journal = {Numerische Mathematik}, pages = {53--60}, publisher = {mathdoc}, volume = {44}, year = {1984}, zbl = {0508.65012}, url = {http://geodesic.mathdoc.fr/item/NUMA_1984__44_132917/} }
Walter Gautschi. Discrete Approximations to Spherically Symmetric Distributions.. Numerische Mathematik, Tome 44 (1984), pp. 53-60. http://geodesic.mathdoc.fr/item/NUMA_1984__44_132917/