1. Ambrosio, L.: Transport equation and Cauchy problem for $$BV$$ vector fields. Invent. Math. 158, 227–260, 2004
2. Benjamin, T.B.: The stability of solitary waves. Proc. Roy. Soc. London Ser. A 328, 153–183, 1972
3. Bona, J.: On the stability theory of solitary waves. Proc. Roy. Soc. London Ser. A 344, 363–374, 1975
4. Bona, J.L., Souganidis, P.E., Strauss, W.A.: Stability and instability of solitary waves of Korteweg-de Vries type. Proc. Roy. Soc. London Ser. A 411, 395–412, 1987
5. Camassa, R., Holm, D.D.: An integrable shallow water equation with peaked solitons. Phys. Rev. Lett. 71, 1661–1664, 1993