1 |
G. Birkhoff, Lattice Theory, New York, 1940
|
2 |
F. Hausdorff, Grunzunge de Mengenlehhre, Lepzing, 1914
|
3 |
Y. Imai and K. Iseki, On axiom systems of propositional calculi, XIV Proc. Japan Academy, 42 (1966), 19-22
|
4 |
I. M. James, Introduction to Uniform Spaces, Cambridge University Press, New York, 1990
|
5 |
K. D. Joshi, Introduction to General Topology, New Age International Publisher, India, 1997
|
6 |
J. Meng, difference algebras, Selected paper on BCK and BCI-algebras 1 (1992), 33-39
|
7 |
E. H. Roh, Y. B. Jun, S. Y. Kim, and W. H. Shim, On difference algebras, Kyungpook Math. J. 43 (2003), 407-414
|
8 |
W. Page, Topological Uniform Structures, Dover Publication, Inc. New York, 1988
|