Improvement on Davenport's iterative method and new results in additive number theory III K. Thanigasalam (1987) Acta Arithmetica
Improvement on Davenport's iterative method and new results in additive number theory, I K. Thanigasalam (1985) Acta Arithmetica
Improvement on Davenport's iterative method and new results in additive number theory II. Proof that G(5)≤22 K. Thanigasalam (1986) Acta Arithmetica