ⵉⵖⵢ ⴰⴷ ⵏⵙⵎⵔⵙ ⵉⴳⵎⴰⵎⵏ ⵏ “PDE” ⵎⴰⵔ ⴰⴷ ⵏⵙⵏⵓⵎⵎⵍ ⴽⵉⴳⴰⵏ ⵏ ⵡⴰⵏⴰⵡⵏ ⵏ ⵜⵓⵎⴰⵏⵉⵏ ⵣⵓⵏⴷ ⵉⵎⵙⵍⵉ ⴷ ⵜⵉⵔⵖⵉ ⵏⵖⴷ ⵉⵍⵓⴽⵜⵔⵓⵙⵜⴰⵜⵉⴽ, ⵉⵍⵓⴽⵜⵔⵓⴷⵉⵏⴰⵎⵉⴽ, ⵏⵖⴷ ⵜⴰⵏⵖⵍⴰ ⵏ ⵉⴱⵍⵓⵍⵉⵡⵏ, ⵏⵖⴷ ⴰⵔⵜⵓⵜⵎ, ⵏⵖⴷ ⵜⴰⵎⵉⴽⴰⵏⵉⴽⵜ ⵏ ⵉⴷⴰⵎⵏ.