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Sun Shin Ahn, Hee Sik Kim, Kyoung Ja Lee       R(L)-maps and positive implicativity in difference algebras       Int. Math. Forum, Vol. 1, 2006, no. 17-20, 885 - 892       http://dx.doi.org/10.12988/imf.2006.06073
Copyright © 2006 Sun Shin Ahn, Hee Sik Kim and Kyoung Ja Lee. This article is distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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