홈으로 icms논문검색 reference 검색 reference 통계 journal 통계
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No 인용횟수 Author Title Journal Volume Number Year
5   1   Laradji, A.  Umar, A.    Combinatorial results for semigroups of order-preserving full transformations.   Semigroup Forum   72   1   2006
4   1   Laradji, A.  Umar, A.    Combinatorial results for semigroups of order-preserving partial transformations.   J. Algebra   278   1   2004
3   1   Al-Kharousi, F.  Kehinde, R.  Umar, A.    On the semigroup of partial isometries of a finite chain.   Comm. Algebra   44   2   2016
2   1   Al-Kharousi, F.  Kehinde, R.  Umar, A.    Combinatorial results for certain semigroups of partial isometries of a finite chain.   Australas. J. Combin.   58     2014
1   1   Umar, Abdullahi   On the semigroups of order-decreasing finite full transformations   Proc. Roy. Soc. Edinburgh Sect. A   120   1-2   1992
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