@article{NUMA_1991__60_4_133606,
     author = {S.L. Lee and Roger C.E. Tan and W.S. Tang},
     title = {L2-approximation by the translates of a function and related attenuation factors.},
     journal = {Numerische Mathematik},
     pages = {549--568},
     publisher = {mathdoc},
     volume = {60},
     number = {4},
     year = {1991},
     zbl = {0743.41015},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1991__60_4_133606/}
}