Articles

Characterization of all order relations in direct sums of ordered groups

Günter , 1945- Pilz

85-90

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Generating functions for certain q-orthogonal polynomials

L. Carlitz

91-104

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L'Universo di De Sitter-Castelnuovo e la termoidrodinamica

Giuseppe , 1949- Arcidiacono

105-128

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Sobre el producto de sucesiones y series

Pablo Bobillo Guerrero

129-180

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