In the first instance these are obtained via contour integral formulae in terms of holomorphic functions on regions in twistor space, but are more correctly understood as representatives of analytic cohomology classes on regions in\\ mathbb.
These are obtained via contour integral formulae in terms of holomorphic functions on regions in twistor space. This was in the first instance. These are more correctly understood as representatives of analytic cohomology classes on regions in\\ mathbb. This was in the first instance.