TY  - JOUR
AU  - Yu. L. Ershov
TI  - On a~relation between sheaf-spaces and numerated sets with $C_2^*$-property
JO  - Zapiski Nauchnykh Seminarov POMI
PY  - 1972
SP  - 18
EP  - 20
VL  - 32
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ZNSL_1972_32_a2/
LA  - ru
ID  - ZNSL_1972_32_a2
ER  -