ag-gipp/GoUldI

<math xmlns='http://www.w3.org/1998/Math/MathML' display='inline'><semantics><mrow><mi>E</mi><mrow><mo>(</mo><mo lspace="verythinmathspace" rspace="0em">−</mo><mi>i</mi><msup><mi>k</mi> <mstyle scriptlevel="0"><mo>′</mo></mstyle></msup><mo stretchy="false">/</mo><mi>k</mi><mo>)</mo></mrow><mo>=</mo><mo stretchy="false">(</mo><mn>1</mn><mo stretchy="false">/</mo><mi>k</mi><mo stretchy="false">)</mo><mi>E</mi><mrow><mo>(</mo><msup><mi>k</mi> <mstyle scriptlevel="0"><mo>′</mo></mstyle></msup><mo>)</mo></mrow></mrow><annotation encoding='application/x-tex'>E\left(-ik^{\prime}/k\right)=(1/k)E\left(k^{\prime}\right)</annotation></semantics></math>