. n- . , , λ, μ. .
S0, S1, S2,, Sk,, Sn,, , : S0 ( ); S1 , ; S2 , ;..., Sk k , ;..., Sn n ( ); Sn+1 n , ;..., Sn+r n , r ,
. 9. , , ( ) , 0 n m nm, . , n, nm.
. 9
, r/n < 1 . r/n ³ 1, . (16) (17) , n-
(45)
(46)
(47)
, ,
(48)
n- , , :
(49)
(50)
(51)
, , 41 42.
, , , () ( ), , ..
(41)
(42)
(41) (42) . , , , , , : λ.
. r < 1 , , , .. P = 0, Q = 1, , .. = l.