@article{05138834,
title = {Pointwise very strong approximation as a generalization of Fej\'er's summation theorem.},
journal = {Annales Mathematicae et Informaticae},
volume = {32},
year = {2005},
pages = {79-86},
zbl = {1109.42001},
language = {en},
url = {http://dml.mathdoc.fr/item/05138834}
}
Łenski, Włodzimierz. Pointwise very strong approximation as a generalization of Fejér's summation theorem.. Annales Mathematicae et Informaticae, Tome 32 (2005) pp. 79-86. http://gdmltest.u-ga.fr/item/05138834/