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: Oxford University Press.
Sneddon, Ian Naismith. 1972. The Use of Integral Transforms. New York: McGraw-Hill.