Geodesic

Volume 1 (1962) no. 3

Sommaire

$\theta $-isolated complexes in a group
p. 4-20
Certain classes of ordered groups
p. 21-23
The effective non-separability of the set of identically true
p. 24-38
Undecidability of elementary theories of certain rings
p. 39-45
On the elementary theory of subgroup lattices
p. 46-53