@article{1103052195,
author = {Mann, Henry B.},
title = {On the number of integers in the sum of two sets of positive integers.},
journal = {Pacific J. Math.},
volume = {1},
number = {1},
year = {1951},
pages = { 249-253},
language = {en},
url = {http://dml.mathdoc.fr/item/1103052195}
}
Mann, Henry B. On the number of integers in the sum of two sets of positive integers.. Pacific J. Math., Tome 1 (1951) no. 1, pp. 249-253. http://gdmltest.u-ga.fr/item/1103052195/