J. Burzlaff et Dh. Tchrakian, NON-SELF-DUAL SOLUTIONS OF GAUGE FIELD MODELS IN 2N DIMENSIONS, Journal of physics. A, mathematical and general, 26(19), 1993, pp. 1053-1060
It is shown that scale-breaking generalized Yang-Mills systems in 2n d
imensions have hedgehog (instanton) solutions for all n > 1. For the c
ases n = 3 and 4, the equations are solved in the asymptotic regions a
nd these hedgehogs are studied numerically.