TY  - JOUR
AU  - L. A. Arutyunyan
TI  - On the lattice of closed classes of nonhomogeneous functions with a~trace of type~$C$
JO  - Diskretnaya Matematika
PY  - 1993
SP  - 130
EP  - 145
VL  - 5
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DM_1993_5_1_a7/
LA  - ru
ID  - DM_1993_5_1_a7
ER  -