@article{10_21136_CMJ_1966_100742,
     author = {Kolom\'y, Josef},
     title = {Necessary and sufficient conditions for some convergence methods},
     journal = {Czechoslovak Mathematical Journal},
     pages = {446--453},
     publisher = {mathdoc},
     volume = {16},
     number = {3},
     year = {1966},
     doi = {10.21136/CMJ.1966.100742},
     mrnumber = {0199977},
     zbl = {0171.35404},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1966.100742/}
}