TY  - JOUR
AU  - Selami Ercan
TI  - Torsion-free groups with every proper homomorphic image an $\bf N_{1}$-group
JO  - Algebra and discrete mathematics
PY  - 2004
SP  - 56
EP  - 58
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/ADM_2004_2_a6/
LA  - en
ID  - ADM_2004_2_a6
ER  -