TY  - JOUR
AU  - Nguyen Hoang Son
AU  - Vu Duc Thi
TI  - Some combinatorial characteristics of closure operations
JO  - Algebra and discrete mathematics
PY  - 2019
SP  - 144
EP  - 156
VL  - 28
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ADM_2019_28_1_a10/
LA  - en
ID  - ADM_2019_28_1_a10
ER  -