N-body problem
alternative label: three-body problem
related: many-body problem
related: celestial mechanics
broader: classical mechanics
preferred label: مسئله ان-جسمی @fa
type: Concept

many-body problem
preferred label: مسئله چندجسمی @fa
type: Concept
related: N-body problem

celestial mechanics
preferred label: مکانیک سماوی @fa
type: Concept
related: N-body problem

classical mechanics
preferred label: مکانیک کلاسیک @fa
type: Concept
narrower: N-body problem