@article{GroetschelJuengerReinelt1984, author = {Gr{\"o}tschel, Martin and J{\"u}nger, Michael and Reinelt, Gerhard}, title = {A Cutting Plane Algorithm for the Linear Ordering Problem}, series = {Operations Research}, volume = {32}, journal = {Operations Research}, number = {6}, pages = {1195 -- 1220}, year = {1984}, language = {en} } @article{GroetschelJuengerReinelt1984, author = {Gr{\"o}tschel, Martin and J{\"u}nger, Michael and Reinelt, Gerhard}, title = {Optimal triangulation of large real world input-output matrices}, series = {Statistische Hefte}, volume = {25}, journal = {Statistische Hefte}, pages = {261 -- 295}, year = {1984}, language = {en} }