TY - JOUR AU - Bona, Jerry AU - Durán, Ángel AU - Mitsotakis, Dimitrios PY - 2021 SN - 1553-5231 UR - https://uvadoc.uva.es/handle/10324/81304 AB - Considered here are systems of partial di erential equations arising in internal wave theory. The systems are asymptotic models describing the two- way propagation of long-crested interfacial waves in the Benjamin-Ono and the Intermediate Long-Wave... LA - spa TI - Solitary-wave solutions of Benjamin-Ono and other systems for internal waves. I. approximations DO - 10.3934/dcds.2020215 ER -