SPONTANEOUS BREAKDOWN OF STRONG INTERACTION SYMMETRY AND THE ABSENCE OF MASSLESS PARTICLES
@article{Migdal1967SPONTANEOUSBO,
title={SPONTANEOUS BREAKDOWN OF STRONG INTERACTION SYMMETRY AND THE ABSENCE OF MASSLESS PARTICLES},
author={A. Migdal and A. Polyakov},
journal={Journal of Experimental and Theoretical Physics},
year={1967},
volume={24},
pages={91}
}