
H(s 

,t 

). 
W_{n}= 

(S_{n}S_{k}), 


= 

, 

Z_{f}(x)=1/E(X_{1})  ó õ 

f(u)du. 

f_{+}(u,x)= 1. 
f_{+}(u,x) 

u<1, Â (x)³ 0,  
f_{}(u,x) 

u<1, Â (x)£ 0. 

e 

P  (  M_{exc}³ x  )  = C_{exc} = 

. 

P(M(n) 

£ x)=e 

. 
This document was translated from L^{A}T_{E}X by H^{E}V^{E}A.