$ε$-Expansion for non-planar double-boxes
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We present calculations for non-planar double-box with four massless/massive external/internal legs/propagators. The results are expressed for arbitrary exponents of propagators and dimension in terms of Lauricella's hypergeometric functions of three variables and hypergeometric-like multiple series.
12 pages, JHEP LATEX style. V2: reference [10] corrected
12 pages, JHEP LATEX style. V2: reference [10] corrected