Shadowed sets with higher approximation regions
Keyword(s):
1998 ◽
Vol 28
(1)
◽
pp. 103-109
◽
2019 ◽
Vol 34
(10)
◽
pp. 2655-2675
◽
2013 ◽
Vol 21
(5)
◽
pp. 937-949
◽
Keyword(s):