@inproceedings{AscheuerEscuderoGroetscheletal.1990, author = {Norbert Ascheuer and Laureano Escudero and Martin Gr{\"o}tschel and Mechthild Stoer}, title = {On Identifying in Polynomial Time Violated Subtour Elimination and Precedence Forcing Constraints for the Sequential Ordering Problem}, booktitle = {Integer Programming and Combinatorial Optimization, Proceeedings of a Conference held at the University of Waterloo, May 28-30, 1990}, editor = {Ravi Kannan and William Pulleyblank}, pages = {19 -- 28}, year = {1990}, }