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        TOME 49 (97), No. 1, 2006
        
        
    
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In Honour of Professor Ion D. Ion's 70th Anniversary, p. 3
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Crina Boboc and S. Dăscălescu
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Good gradings of matrix algebras by finite abelian groups of prime index, p. 5-11
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Dumitru Buşneag and Dana Piciu
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Residuated lattice of fractions relative to a Λ-closed system, p. 13-24
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N. Chifan, C. Nastasescu and B. Torrecillas
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Semiprime graded rings of finite support, p. 25-30
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Jim Coykendall and Tiberiu Dumitrescu
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An infinite product of formal power series, p. 31-36
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Iuliu Crivei and Septimiu Crivei
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(m, n)-purity for modules, p. 37-46
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Alexandru Gica
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Cumulative sum of the Liouville function related to Gauss's problem of the tenth field, p. 47-53
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Ion. D. Ion and Constantin Niţă
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Ultraproducts of transitive rings of linear transformations, p. 55-60
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Mihai Iosif
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Note on self-injective modules having finite Goldie dimension, p. 61-62
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Gabriel Mincu and Laurenţiu Panaitopol
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On some properties of squarefree and squareful numbers, p. 63-68
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Laurenţiu Panaitopol and Doru Ştefănescu
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Polynomial Factorizations, p. 69-74
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Dorin Popescu and Marius Vladoiu
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Strong Lefschetz property on algebras of embedding dimension three, p. 75-86
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Sergiu Rudeanu
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On unary lattice functions and Boolean functions, p. 87-98
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Mirela Stefanescu
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Some interpretations of hypergroups, p. 99-104
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Cristian Voica
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On a property of conics, p. 105-110