TY  - JOUR
AU  - V. N. Sačkov
TI  - The distribution of the number of fixed points corresponding to elements of a symmetric semigroup with the condition $\sigma^{h+1}=\sigma^h$, and the number of trees with the altitudes less or equal to $h$
JO  - Teoriâ veroâtnostej i ee primeneniâ
PY  - 1971
SP  - 676
EP  - 687
VL  - 16
IS  - 4
UR  - http://geodesic.mathdoc.fr/item/TVP_1971_16_4_a5/
LA  - ru
ID  - TVP_1971_16_4_a5
ER  -