The free part of the Homology Group with a domain of Coefficients in the Group of Integers (if this Homology Group is finitely generated).

**References**

Hazewinkel, M. (Managing Ed.). *Encyclopaedia of Mathematics: An Updated and Annotated Translation
of the Soviet ``Mathematical Encyclopaedia.''* Dordrecht, Netherlands: Reidel, p. 380, 1988.

© 1996-9

1999-05-26