1. The Turan-Kubilius inequality for integers without large prime factors;Alladi;J. Reine Angew. Math.,1982
2. On the size of prime factors of integers;Bovey;Acta Arithm.,1977
3. The asymptotic behaviour of a function occurring in the theory of primes;de Bruijn;J. Indian. Math. Soc. (N.S.),1951
4. On the number of positive integers ≦x and free of prime factors >y;de Bruijn,1951
5. On a problem of Oppenheim concerning “Factorisatio Numerorum”;Canfield;J. Number Theory,1983