On the categoricity in power of elementary deductive systems and some related problems
Un problème concernant le prolongement des fonctions aux σ-mesures
On the axiomatic treatment of probability
An algebraic proof of completeness for the two-valued propositional calculus
Normal subalgebras in general algebras
On the extending of models (I)
Abelian groups that are direct summands of every abelian group which contains them as pure subgroups
Remarks on Henkin's paper: Boolean representation trough, propositional calculus
On the extending of models (II)
Remarks on compact semigroups
On the extending of models (IV)
Extensions of measure
Effectiveness of the representation theory for Boolean algebras
On the application of Tychonoff's theorem in mathematical proofs
On extending of models V. Embedding theorems for relational models
Optimality conditions for state-constrained PDE control problems with time-dependent controls
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