@article{MZ_1975__143_172206,
     author = {Frank P. Cass and Edward H. Chang},
     title = {Note on {Some} {Strict} {Inclusion} {Theorems} between {Ces\`aro} and {Discrete} {Riesz} {Methods} of {Summability.}},
     journal = {Mathematische Zeitschrift},
     pages = {1--4},
     publisher = {mathdoc},
     volume = {143},
     year = {1975},
     zbl = {0287.40005},
     url = {http://geodesic.mathdoc.fr/item/MZ_1975__143_172206/}
}