non-linear equation
type: Concept
preferred label: معادله غیر خطی @fa
related: Camassa–Holm equation

Degasperis–Procesi equation
type: Concept
preferred label: معادله دگاسپریس-پراسسی @fa
related: Camassa–Holm equation

Camassa–Holm equation
type: Concept
broader: second-order partial differential equation
preferred label: معادله کاماسا-هولم @fa
related: wave
related: Degasperis–Procesi equation
related: non-linear equation

second-order partial differential equation
type: Concept
narrower: Camassa–Holm equation
preferred label: معادله دیفرانسیل جزئی مرتبه دوم @fa

wave
type: Concept
preferred label: موج @fa
related: Camassa–Holm equation