Yuan-Li 园丽 Li 李 and Qi-Lao 其劳 Zha 扎. “Multi—Peakon Solutions for Two New Coupled Camassa—Holm Equations*Supported by the National Natural Science Foundation of China under Grant No. 11261037, the Natural Science Foundation of Inner Mongolia Autonomous Region under Grant No. 2014MS0111, the Caoyuan Yingcai Program of Inner Mongolia Autonomous Region under Grant No. CYYC2011050, the Program for Young Talents of Science and Technology in Universities of Inner Mongolia Autonomous Region under Grant No. NJYT14A04.” Communications in theoretical physics, vol. 65, n.d., pp. 677–683. http://access.bl.uk/ark:/81055/vdc_100036356148.0x000003