Kevrekidis, P. G., D. J. Frantzeskakis, B. A. Malomed, A. R. Bishop, and I. G. Kevrekidis. (2003) 2003. “Dark-in-Bright Solitons in Bose-Einstein Condensates With Attractive Interactions”. New Journal of Physics 5: 64. Reference Link
Kevrekidis, P. G., F. L. Williams, A. R. Bishop, I. G. Kevrekidis, and B. A. Malomed. (2003) 2003. “Coupling Fields and Underlying Space Curvature: An Augmented Lagrangian Approach”. Physical Review E 67 (4): 047602. Reference Link