Semigroups with n-closed subsets.
I.L. Mel'nichuk (1989)
Semigroup forum
Similarity:
I.L. Mel'nichuk (1989)
Semigroup forum
Similarity:
V.P. Schneider (1982)
Semigroup forum
Similarity:
T. Budak (1993)
Semigroup forum
Similarity:
E. D. DeVun (1980)
Semigroup forum
Similarity:
R.R. Zapatrin (1993)
Semigroup forum
Similarity:
M. Gutan (1996)
Semigroup forum
Similarity:
F. Catino, F. Migliorini (1992)
Semigroup forum
Similarity:
B.D. Doytchinov, W.J. Hrusa, S.J. Watson (1997)
Semigroup forum
Similarity:
D.W. Miller (1982)
Semigroup forum
Similarity:
H.T. Murof (1989)
Semigroup forum
Similarity:
M.M. Lesokhin, A. V. Popyrin (1986-1987)
Semigroup forum
Similarity: