Knots, topology and quantum field theories : 13th Workshop on current problems in particle theory : Jun 1989, Florence, Italy. (Proceedings of the Johns Hopkins Workshop on Current Problems in Particle Theory ; 13)
Knots, topology and quantum field theories : 13th Workshop on current problems in particle theory : Jun 1989, Florence, Italy.
(Proceedings of the Johns Hopkins Workshop on Current Problems in Particle Theory ; 13)