ag-gipp/GoUldI

<math xmlns="http://www.w3.org/1998/Math/MathML"><msub><mover accent="true"><mi>J</mi><mo>˜</mo></mover><mi>ν</mi></msub><mfenced close=")" open="("><mi>x</mi></mfenced><mo>=</mo><msup><mfenced close=")" open="("><mfrac><mrow><mn>2</mn><mi>tanh</mi><mfenced close=")" open="("><mrow><mfrac><mn>1</mn><mn>2</mn></mfrac><mi>π</mi><mi>ν</mi></mrow></mfenced></mrow><mrow><mi>π</mi><mi>ν</mi></mrow></mfrac></mfenced><mfrac><mn>1</mn><mn>2</mn></mfrac></msup><mi>cos</mi><mfenced close=")" open="("><mrow><mi>ν</mi><mi>ln</mi><mfenced close=")" open="("><mrow><mrow><mn>1</mn></mrow><mrow><mn>2</mn></mrow><mi>x</mi></mrow></mfenced><mo>-</mo><msub><mi>γ</mi><mi>ν</mi></msub></mrow></mfenced><mo>+</mo><mi>O</mi><mfenced close=")" open="("><msup><mi>x</mi><mn>2</mn></msup></mfenced></math>