TY  - JOUR
AU  - D. Yu. Cherukhin
TI  - On invariant classes of functions that are repetition-free expressible by formulas
JO  - Diskretnyj analiz i issledovanie operacij
PY  - 2002
SP  - 57
EP  - 74
VL  - 9
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DA_2002_9_4_a5/
LA  - ru
ID  - DA_2002_9_4_a5
ER  -