TY  - RPRT
TI  - Finite unions of closed subgroups of the n-dimensional torus 
AU  - Lawrence, Jim
PY  - 1988
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NIST IR 88-3777
DO  - 10.6028/NIST.IR.88-3777
ER  -