Brian Davies. (n.d.). Integral Transforms and Their Applications. https://books.google.co.uk/books?id=FViAkJi9c7EC&printsec=frontcover&dq=davies+integral+transforms+third+edition&hl=en&sa=X&ved=0ahUKEwj2rcjrz8DMAhXlCsAKHeQ7DjUQ6AEIKDAA#v=onepage&q=davies%20integral%20transforms%20third%20edition&f=false
Priestley, H. A. (2003). Introduction to complex analysis (2nd ed). Oxford University Press.
Sneddon, I. N. (1972). The use of integral transforms. McGraw-Hill.