We study algebraic conditions when a pseudo MV-algebra is an interval in the
lexicographic product of an Abelian unital ℓ-group and an ℓ-group
that is not necessary Abelian. We introduce (H,u)-perfect pseudo MV-algebras
and strong (H,u)-perfect pseudo MV-algebras, the latter ones will have a
representation by a lexicographic product. Fixing a unital ℓ-group
(H,u), the category of strong (H,u)-perfect pseudo MV-algebras is
categorically equivalent to the category of ℓ-groups.Comment: arXiv admin note: text overlap with arXiv:1304.074