Involutions of compact Klein surfaces.
Sur les µ-demi-anneaux.
Sobre automorfismos anticonformes y libres de superficies de Riemann.
Une nouvelle hiérarchie de théories inconsistantes
Una caracterización topológica de las involuciones en superficies de Klein.
-ideals and -ideals in non-commutative semirings
On graph products of automatic monoids
The graph product is an operator mixing direct and free products. It is already known that free products and direct products of automatic monoids are automatic. The main aim of this paper is to prove that graph products of automatic monoids of finite geometric type are still automatic. A similar result for prefix-automatic monoids is established.
On graph products of automatic monoids
The graph product is an operator mixing direct and free products. It is already known that free products and direct products of automatic monoids are automatic. The main aim of this paper is to prove that graph products of automatic monoids of finite geometric type are still automatic. A similar result for prefix-automatic monoids is established.
Les problématiques de l'aide à la décision : vers l'enrichissement de la trilogie choix-tri-rangement
A note on paracomplete logic
In questa nota gli Autori descrivono nuovi sistemi di logica (detta «paracompleta») connessi con la logica della vaghezza («fuzzy logic») e con le logiche paraconsistenti.
A note on paracomplete logic
In questa nota gli Autori descrivono nuovi sistemi di logica (detta «paracompleta») connessi con la logica della vaghezza («fuzzy logic») e con le logiche paraconsistenti.
Atmospheric reentry dynamics of conic objects.
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