Backlund transformation
type: Concept
preferred label: تبدیل بکلوند @fa
related: particular solution

particular solution
type: Concept
broader: solution
preferred label: جواب خصوصی @fa
related: variation of parameters method
related: Backlund transformation

solution
type: Concept
narrower: particular solution
preferred label: جواب @fa

variation of parameters method
type: Concept
preferred label: روش تغییر پارامترها @fa
related: particular solution