References
- Milgram , M. S. 1985 . The generalized integro-exponential function . Maths. Comput. , 44 : 441 – 458 .
- Chiccoli , C. , Lorenzutta , S. and Maino , G. 1987 . A numerical method for generalized exponential integrals . Comput. Maths. Applic. , A14 : 261 – 268 .
- Chiccoli , C. , Lorenzutta , S. and Maino , G. 1988 . On the evaluation of generalized exponential integrals E v (x) . J. Comput. Phys. , 78 : 278 – 287 .
- Chiccoli , C. , Lorenzutta , S. and Maino , G. in press . Calculation of exponential integrals of real order . Int. J. Comput. Maths. ,
- Tricomi , F. G. 1954 . Funzioni ipergeometriche confluenti Cremonese, Rome
- Gautschi , W. 1979 . A computational procedure for incomplete gamma functions . ACM Trans. Maths. Soft , 5 : 466 – 481 .
- Gautschi , W. 1979 . Algorithm 542. Incomplete gamma functions . ACM Trans. Maths. Soft , 5 : 482 – 489 .