Geodesic

Volume 14 (1975) no. 2

Sommaire

On the theory of quasivarieties of algebraic systems
p. 123-142
Remarks on the matrix representability of groups
p. 143-144
Description of categorical quasivarieties
p. 145-185
The halting problem, and the theory of hierarchies
p. 186-203
Zero-divisors and nil-elements in Mal'cev algebras
p. 204-214
Generalized identities with automorphisms
p. 215-237