@article{GDZPPN002219301,
title = {On Three Problems For Sequences.},
journal = {Manuscripta mathematica},
volume = {17},
year = {1975},
pages = {221-226},
zbl = {0314.40001},
url = {http://dml.mathdoc.fr/item/GDZPPN002219301}
}
Landers, D.; Rogge, L. On Three Problems For Sequences.. Manuscripta mathematica, Tome 17 (1975) pp. 221-226. http://gdmltest.u-ga.fr/item/GDZPPN002219301/