@article{GroetschelLovaszSchrijver1981, author = {Martin Gr{\"o}tschel and L{\´a}szlo Lov{\´a}sz and Alexander Schrijver}, title = {The ellipsoid method and its consequences in combinatorial optimization}, journal = {Combinatorica}, volume = {1}, number = {2}, pages = {169 -- 197}, year = {1981}, }