Kandasamy, W.B. Vasantha
N-algebraic structures and s-n-algebraic structures
Phoenix, 2005
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Ginzburg, Abraham
Algebraic theory of automata
Academic Press, 1968
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Cohn, P.M.
Algebraic numbers and algebraic functions / P.M. Cohn
Chapman & Hall, 1991
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Spanier, Edwin H.
Algebraic topology
Tata McGraw-Hill , 1966
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Greenberg, Marvin J.
Algebraic topology : a first cource
Addison-Wesley , 1981
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