Solitons, Bäcklund transformation and Lax pair for a (2+1)-dimensional Broer-Kaup-Kupershmidt system in the shallow water of uniform depth. - Zhong-Zhou Lan; Yi-Tian Gao; Jin-Wei Yang; Chuan-Qi Su; Bing-Qing Mao (Commun. Nonlinear Sci. Numer. Simul., 2017)