1. On the representation of a large even integer as the sum of a prime and the product of at most two primes;Chen;Sci. Sinica,1973
2. The Distribution of Values of the Divisor Function d(n)
3. 5. Spiro C. . Thesis (Urbana, 1981).
4. On the fc-twin primes problem;Xie;Acta Math. Sinica,1983