TY  - JOUR
AU  - O. V. Zubkov
TI  - Some closed classes unary generated ultra funktions
JO  - The Bulletin of Irkutsk State University. Series Mathematics
PY  - 2015
SP  - 35
EP  - 48
VL  - 12
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IIGUM_2015_12_a3/
LA  - ru
ID  - IIGUM_2015_12_a3
ER  -