@article{OPUS4-17366, title = {Measurement of the \({t\overline{t}}Z\) and \({t\overline{t}}W\) production cross sections in multilepton final states using 3.2 fb\(^{-1}\) of \(pp\) collisions at \(\sqrt{s}\) = 13 TeV with the ATLAS detector}, journal = {European Physical Journal C}, volume = {77}, number = {40}, doi = {10.1140/epjc/s10052-016-4574-y}, year = {2017}, }