@article{CMH_1952__26_139043,
     author = {Ralph Palmer Agnew},
     title = {Approximation by {Use} of {Kernels} {Originating} from {Abel} {Transforms} of {Series.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {171--179},
     publisher = {mathdoc},
     volume = {26},
     year = {1952},
     zbl = {0047.30303},
     url = {http://geodesic.mathdoc.fr/item/CMH_1952__26_139043/}
}