ag-gipp/GoUldI

<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>p</mi><mfenced close=")" open="("><msub><mi>π</mi><mi>n</mi></msub></mfenced><mo>=</mo><msub><mo>∑</mo><mi>α</mi></msub><mspace width="0.278em"/><msub><mi>p</mi><mi>n</mi></msub><mfenced close=")" open="("><msub><mi>e</mi><mi>α</mi></msub></mfenced><mo>+</mo><mi>q</mi><mfenced close=")" open="("><msub><mi>π</mi><mi>n</mi></msub></mfenced></math>