Geodesic

Volume 9 (1970) no. 4

Sommaire

Generalized computations and second order arithmetic
p. 375-405
Varieties of $\Omega $-algebras
p. 406-414
The approximation of free groups
p. 415-421
The $m$-degrees of recursively enumerable sets
p. 422-427
Universal groups
p. 428-435
The completion of abelian groups in the $P$-topology
p. 436-457
Primitive elements of free Lie algebras
p. 458-472
Elementary theories of lattices of subgroups
p. 473-483
A certain class of $p$-groups
p. 484-496