On some Remarkable Types of Multiplicative Functions Jump To References Section Authors C. S. Venkataraman University of Madras ,IN DOI: https://doi.org/10.18311/jims/1946/17112 Abstract In his memoir "The Theory of Multiplicative Arithmetic Functions", Dr. R. Vaidyanathaswamy mentions certain important types of multiplicative functions of r(> I) arguments, viz. (i) the ordinal, (2) the principal and (3) the modular functions.