R. B. Paris, D. Kaminsky (2001): Asymptotics and the Mellin-Barnes Integrals, Cambridge University Press
ˈɛrɾe. bˈi. pˈaris, d̪ˈiː. kamˈinskɪ dˈue mˈiːla ˈuno: azimptˈotiks ˈand tˈe mˈɛllinbˈarnes intˈeɡrals, (en)kˈeɪmbɹɪdʒ(it) jʊnivˈersitɪ prˈɛss