References
- Chou , Y. , Arthur , K. , Rosenstein , R. and Owen , D. 1984 . New representations of the noncentral chi-square density and cumulative . Communications in Statistics—Theory and Methods , 13 ( 21 ) : 2673 – 2678 .
- Johnson , N. , Kotz , S. and Balakrishnan , N. 1995 . Continuous Univariate Distributions. (vol. 2, 2nd ed.) , New York : Wiley .