%A National Symposium on Recent Developments in Theoretical Physics %A Sudarshan, E. C. G %A Srinivasa Rao, K %A Sridhar, R %A Institute of Mathematical Sciences (India) %A George Sudarshan Centre for Physics and Computer Science %T Proceedings of the National Symposium on Recent Developments in Theoretical Physics : Kottayam, India, September 15-19, 1986 %I World Scientific %D 1987 %U https://ci.nii.ac.jp/ncid/BA03482251