1. Spreiter, J. R. andAlksne, A. Y., NACA Rep. 1359 (1958).
2. Randall, D. G., A.R.C. C.P. 456 London (1959).
3. Maeder, P. F. andThommen, H. U., J. Aero. Sci.23, 187–188 (1956)., (Also [11]).
4. Pearson, K.,Tables of the Incomplete Gamma Function (Cambridge, 1946).
5. Michel R., Marchaud, F., andLe Gallo, J., O.N.E.R.A. Publ.65 (1953)72 (1954).