I have more derivatives available (d/dz, d/dc, d/dz d/dz, d/dc d/dz) but I don't know yet how to combine them in the right way to get the result I need... more diagrams need drawing...
Why is this step necessary? post.lurk.org might not be the server where you are registered, so we need to redirect you to your home server first.
Don't have an account? You can sign up here