TY  - JOUR
AU  - Stacho, L.
TI  - Degrees, neighbourhoods and closure operations.
JO  - Acta Mathematica Universitatis Comenianae. New Series
PY  - 2000
SP  - 71
VL  - 69
IS  - 1
PB  - mathdoc
UR  - https://geodesic-test.mathdoc.fr/item/AMUC2_2000__69_1_120865/
LA  - en
ID  - AMUC2_2000__69_1_120865
ER  -