data/mathoid/247.mml
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<annotation encoding="application/x-tex">\partial ^{\gamma {\dot {\gamma }}}\partial _{\gamma {\dot {\gamma }}}\,\phi _{\alpha _{1}...\alpha _{k}\,{\dot {\beta }}_{1}...{\dot {\beta }}_{n}}^{(k,n)}=2e^{2}m^{2}\,x^{\alpha _{k+1}{\dot {\beta }}_{n+1}}\,x^{\alpha _{k+2}{\dot {\beta }}_{n+2}}\,\phi _{\alpha _{1}...\alpha _{k}\alpha _{k+1}\alpha _{k+2}\,{\dot {\beta }}_{1}...{\dot {\beta }}_{n}{\dot {\beta }}_{n+1}{\dot {\beta }}_{n+2}}^{(k+2,n+2)}</annotation>
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