Boender H. Factoring integers with large prime variations of the quadratic sieve / H.Boender,H.J.J.te Riele, 1995. - 27 p. - Текст : непосредственный.
Boender H. The number of relations in the quadratic sieve algorithm / H.Boender, 1996. - 20 p. - Текст : непосредственный.