ag-gipp/GoUldI

<math xmlns='http://www.w3.org/1998/Math/MathML' display='inline'><semantics><mrow><msubsup><mi>S</mi> <mi>p</mi> <mi>m</mi></msubsup><mo stretchy="false">(</mo><mi>x</mi><mo>,</mo><mi>ξ</mi><mo stretchy="false">)</mo><mo>→</mo><mi>sin</mi><mrow><mo>(</mo><mi>m</mi><mi>x</mi><mo>)</mo></mrow></mrow><annotation encoding='application/x-tex'>S_{p}^{m}(x,\xi)\to\sin\left(mx\right)</annotation></semantics></math>