Typical means
by K. Chandrasekharan and S. Minakshisundaram.
London : Published for the Tata Institute of Fundamental Research, Bombay [by] Oxford University Press, 1952.
x, 139 págs. ; 25 cm.
Serie: Tata Institute of Fundamental Research. Monographs on mathematics and physics ; 1
Reseña: MathSciNet, 14,1077c