1. On Mahlers partition problem;De Bruijn;Proc. Kon. Ned. Ak. Wetensch.,1948
2. The asymptotically periodic behaviour of the solutions of some linear functional equations;Bruijn;Amer. Journ. of Math.,1949
3. On the number of uncancelled elements in the sieve of Eratosthenes;De Bruijn;Proc. Kon. Ned. Ak. Wetensch. Amsterdam,1950
4. On the number of positive integers ≤ x and free of prime factors > y;Bruijn;Proc. Kon. Ned. Ak. Wetensch. Amsterdam, Series A,1951
5. On a special functional equation;Mahler;Journ. London Math. Soc.,1940