For #Lebesgue-integrable f(z)/f(z) integrable in abs value/ principle value v definitions -> standard definition of I

If f(z) is #meromorphic, Sokhotski–Plemelj theorem Relates principal v(I.f(z))over C w/ #meanvalue of I w contour +/-, st residue theorem can be applied to I

For #Lebesgue-integrable f(z)/f(z) integrable in abs value/ principle value v definitions -> standard definition of I

If f(z) is #meromorphic, Sokhotski–Plemelj theorem Relates principal v(I.f(z))over C w/ #meanvalue of I w contour +/-, st residue theorem can be applied to I