TY  - JOUR
AU  - M.J. Pelling
TI  - Subadditive functions on modules and subgroups of abelian groups.
JO  - Aequationes mathematicae
PY  - 1989
SP  - 15
EP  - 37
VL  - 37
IS  - 2-3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AM2_1989__37_2-3_137293/
ID  - AM2_1989__37_2-3_137293
ER  -