TY  - JOUR
AU  - Gupta, C. K.
AU  - Gupta, N. D.
AU  - Roman'kov, V. A.
TI  - Primitivity in Free Groups and Free Metabelian Groups
JO  - Canadian journal of mathematics
PY  - 1992
SP  - 516
EP  - 523
VL  - 44
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1992-033-0/
DO  - 10.4153/CJM-1992-033-0
ID  - 10_4153_CJM_1992_033_0
ER  -