TY  - JOUR
AU  - M. Katetov
TI  - Spaces defined by a~family of centred systems
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1976
SP  - 111
EP  - 123
VL  - 31
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1976_31_5_a9/
LA  - en
ID  - RM_1976_31_5_a9
ER  -