1. Abel, N.H. (1823). Solution de quelques problemes a l‘aide d’integrales definies. Mag. Naturvidenskaberne, Aargang I, Bind 2, Christia, 11-27.
2. Abel, N.H. (1826). Auflosung einer mechanischen Aufgabe. Crelles J., 153-157.
3. Comparison of some inverse heat conduction methods using experimental data
4. Transient inverse heat conduction problem solutions via Newton's method
5. Ferrari, C. and Tricomi, F.G. (1962). “Aerodinamica Transonica.” Edizioni Cremonese, Rome. translated in English by Cramer, R.H., (1968), under the title “Transonic Aerodynamics.” Academic Press, New York.