@article{10_4153_CJM_1970_034_8,
     author = {Pfeffer, W. F.},
     title = {Singular {Integrals} are {Perron} {Integrals} of a {Certain} {Type}},
     journal = {Canadian journal of mathematics},
     pages = {260--264},
     year = {1970},
     volume = {22},
     number = {2},
     doi = {10.4153/CJM-1970-034-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1970-034-8/}
}