Zeige ∂ z ∂ z ¯ = 0 {\displaystyle {}{\frac {\partial z}{\partial {\overline {z}}}}=0} und ∂ z ¯ ∂ z ¯ = 1 {\displaystyle {}{\frac {\partial {\overline {z}}}{\partial {\overline {z}}}}=1} .
und
.
