Knuth,DonaldE. The Art of Computer Programming,Volume 2:Seminumerical Algorithms .3rd ed.Boston: Addison-Wesley,1998. 8mjKtjlwKsw11WuGjfCzQdpN9UT+nbeglI06pW+yj7KO/HmdIKnZS4ew0u1utpLq