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JOURNALS // Algebra i logika // Archive

1991, Volume 30, Number 5


Elimination of quantifiers in Horn theories with a small number of models
E. A. Palyutin
513
Analogues of Rice's theorem for semantic classes of propositions
M. G. Peretyat'kin
517
Identities of finite-dimensional nilpotent algebras
E. P. Petrov
540
Minimal modules over Prüfer rings
V. A. Puninskaya, G. E. Puninskii
557
Fine hierarchy of formulas
V. L. Selivanov
568
Axiomatizability and completeness of some classes of $S$-polygons
A. A. Stepanova
583
Finite graphs of groups with isomorphic fundamental groups
D. G. Khramtsov
595
Sessions of the seminar “Algebra i Logika”
624


© Steklov Math. Inst. of RAS, 2026