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    • A polyhedral study of multiechelon lot sizing with intermediate demands 

      Zhang, M.; Küçükyavuz, S.; Yaman, H. (Institute for Operations Research and the Management Sciences (I N F O R M S), 2012)
      In this paper, we study a multiechelon uncapacitated lot-sizing problem in series (m-ULS), where the output of the intermediate echelons has its own external demand and is also an input to the next echelon. We propose a ...