torsion-free
Мат. без кручения — torsion-free cosheaf — torsion-free group — torsion-free module — torsion-free rank — torsion-free semigroup
Мат. без кручения — torsion-free cosheaf — torsion-free group — torsion-free module — torsion-free rank — torsion-free semigroup