TY  - RPRT
TI  - Limitations of constraint dynamics.
AU  - LP Horwitz
AU  - F Rohrlich
PY  - 1985
DO  - 10.1103/physrevd.31.932
UR  - https://pubmed.ncbi.nlm.nih.gov/9955776/
ID  - 9955776
ER  -