1. Gear, C.W. (1971): Numerical Initial Value Problems in Ordinary Differential Equations ( Prentice-Hall, Englewood Cliffs, N.J. )
2. Hamming, R.W. (1973): Numerical Methods for Scientists and Engineers, 2nd ed. ( McGraw-Hill, New York )
3. Liepman, H., Roshko, A. (1957): Elements of Gas Dynamics ( Wiley, New York )