@article{GDZPPN002409313,
title = {A Generalization of Bohman-Korovkin's Theorem.},
journal = {Mathematische Zeitschrift},
volume = {121},
year = {1971},
pages = {63-70},
zbl = {0203.13004},
url = {http://dml.mathdoc.fr/item/GDZPPN002409313}
}
Schempp, Walter; Felbecker, Günter. A Generalization of Bohman-Korovkin's Theorem.. Mathematische Zeitschrift, Tome 121 (1971) pp. 63-70. http://gdmltest.u-ga.fr/item/GDZPPN002409313/