Tchrakian, D. H. and Müller-Kirsten, H. J. W. (1992) A (2+1)-dimensional model with instanton and sphaleron solutions. (Preprint)
Tchrakian, D. H. and Müller-Kirsten, H. J. W. (1991) A (2+1)-dimensional model with instanton and sphaleron solutions. (Preprint)