Neue Integraldarstellungen aus der Theorie der MacRobertschen und Besselschen Funktionen. F. M. Ragab — 1962 Mathematische Zeitschrift
The inverse Laplace transform of the product of two modified Bessel functions K n v [ a 1 / 2 n p 1 / 2 n ] K n μ [ a 1 / 2 n p 1 / 2 n ] where n=1, 2, 3,... F. M. Ragab — 1963 Annales Polonici Mathematici
The inverse Laplace transform of the product exp - 1 2 a 1 / n p 1 / n K n ν 1 2 a 1 / n p 1 / n , n = 2 , 3 , 4 , … . F. M. Ragab — 1964 Bollettino dell'Unione Matematica Italiana
Integrals involving products of E -functions, Bessel-functions and generalized hypergeometric functions. F. M. Ragab — 1957 Bollettino dell'Unione Matematica Italiana