ⵜⴰⴳⴼⴼⵓⵔⵜ “ⵉⵍⴱⵉⵔ-ⴱⵡⴰⵏⴽⴰⵔⵉ Hilbert–Poincaré” ⵜⴳⴰ ⵜⴰⴳⴼⴼⵓⵔⵜ ⵜⵓⵏⵙⵉⴱⵜ ⵉⵜⵜⵓⵙⵎⵔⴰⵙⵏ ⴳ ⵜⵖⵓⵔⵉ ⵏ ⵍⵊⵉⴱⵔ ⴰⵎⴹⴼⵓⵕ.