Multi-component structure of nonlinear excitations in systems with length-scale competition P. L. Christiansen, Y. B. Gaididei, F. G. Mertens and S. F. Mingaleev Eur. Phys. J. B, 19 4 (2001) 545-553 Published online: 15 February 2001 DOI: 10.1007/s100510170300