Electroweak interaction model with an undegenerate double symmetry. Slad, Leonid M. (2006) SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]
Exact solutions and symmetry operators for the nonlocal Gross-Pitaevskii equation with quadratic potential. Shapovalov, Alexander, Trifonov, Andrey, Lisok, Alexander (2005) SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]