Geodesic

Volume 5 (1966) no. 4

Sommaire

Certain properties of quasi-varieties of nilpotent groups
p. 5-14
Free groups of certain varieties
p. 15-23
Positive formulae on free groups
p. 25-42
Projection of pure nilpotent groups
p. 43-54
On elementary theories of commutative semigroups
p. 55-89