Articles

Sobre l'índex d'un cos de nombres

Enric Nart

5-131

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Limits and colimits in the category of small categories

J. Golasinski

133-140

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On the endomorphism ring of a free module

P. Menal

141-154

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Automorphisms of the polynomial rings in two variables

Warren , 1947- Dicks

155-162

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