calculus of variation
preferred label: حساب وردش @fa
type: Concept
narrower: Nehari manifold

non-linear ordinary differential equation
preferred label: معادله دیفرانسیل معمولی غیر خطی @fa
type: Concept
related: Nehari manifold

Nehari manifold
related: non-linear ordinary differential equation
broader: calculus of variation
preferred label: خمینه نهاری @fa
type: Concept