Addition Formulae for Field-Valued Continuous Functions on Topological Groups (Short Communication) CHRISTOPHER L. MORGAN — 1973 Aequationes mathematicae
Autoaddition formulae and algebraic groups. (Short Communication). Christopher L. Morgan — 1975 Aequationes mathematicae
Addition Formulae for Field-Valued Continuous Functions on Topological Groups. Christopher L. Morgan — 1974 Aequationes mathematicae