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
Improvement on Davenport's iterative method and new results in additive number theory III K. Thanigasalam — 1987 Acta Arithmetica
Addendum and corrigendum to the paper "On sums of powers and a related problem", Acta Arith. 36 (1980), pp. 125-141 K. Thanigasalam — 1983 Acta Arithmetica