TY  - JOUR
AU  - D. K. Podol'ko
TI  - Classes of functions closed with respect to a special superposition operation
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 2013
SP  - 54
EP  - 57
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMUMM_2013_6_a10/
LA  - ru
ID  - VMUMM_2013_6_a10
ER  -