Semirational solutions and baseband modulational instability of the AB system in fluid mechanicsLei Wang, Zi-Zhe Wang, Dong-Yang Jiang, Feng-Hua Qi and Rui GuoEur. Phys. J. Plus, 130 10 (2015) 199DOI: https://doi.org/10.1140/epjp/i2015-15199-8