;D
?α?α
ω?ηη ∂υ ?ιηT?? ??ιη?? |x|?ü¢??η|x|
ü??? ?ι¢? ?ä?T???T
??∂??T ∂υ ?ιT ??ιη?? |x|α??¢?|x|
...∂σ¢? ?????T ∂?? ι?T zυ gυT ƒü? ∂ι¢?
?α?α
ω?ηη ∂υ ?ιηT?? ??ιη?? |x|?ü¢??η|x|
ü??? ?ι¢? ?ä?T???T
??∂??T ∂υ ?ιT ??ιη?? |x|α??¢?|x|
...∂σ¢? ?????T ∂?? ι?T zυ gυT ƒü? ∂ι¢?