@misc{indiciaed544b47773bf, title = {Geometric angles in cyclic evolutions of a classical system.}, author = {A Bhattacharjee and T Sen}, year = {1988}, doi = {10.1103/physreva.38.4389}, url = {https://pubmed.ncbi.nlm.nih.gov/9900901/}, note = {Source identifier: 9900901} }