Moser–de Bruijn sequence Sumset Erdős, P.; Turán, P. (1941), "On a problem of Sidon in additive number theory and on some related problems" (PDF), J. London Math.
Tập hợp tổng ^ Erdős, P.; Turán, P. (1941), “On a problem of Sidon in additive number theory and on some related problems” (PDF), J. London Math.