@article{GDZPPN002183579,
title = {Some generalizations in additive number theory.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {238},
year = {1969},
pages = {1-19},
zbl = {0211.38301},
url = {http://dml.mathdoc.fr/item/GDZPPN002183579}
}
Freedman, Allen R. Some generalizations in additive number theory.. Journal für die reine und angewandte Mathematik, Tome 238 (1969) pp. 1-19. http://gdmltest.u-ga.fr/item/GDZPPN002183579/