, , , . A1,..., Am p1,..., pm, pk < 1, k = 1,..., m p1 +... + pm = 1, X1,..., Xm, Xk - Ak n , n1,..., nm, n1 +... + nm = n,

( , n A1 n1 , A2 n2  ..). . . m = 2. , Xk npk npk (1 - pk). n ? ¥

,

( . . c2-) c2 n - 1 .
.: ., , . ., ., 1948; ., , . ., 2 ., t. 1-2, ., 1967.
? . . .

: