Theory Of Functions- By Dr. Konrad Knopp

Theory Of Functions by J.F. Ritt (Spiral, Revised Edition)

Theory of Functions Part 1 & Part 2 by Dr Konrad Knopp (1948)

Theory of A. R. Luria : Functions of Spoken Language

Theory of Functions Part 1 & Part 2 by Konrad Knopp - First American Edition

Lectures Introductory to the Theory of Functions of Two Complex Variables

Elements of the Theory of Functions and Functional Analysis by A.N. Kolmogorov (

Theory of Random Functions and Its Applications to Control Problems, 1965