1. An approximation algorithm for a special case of the asymmetric travelling salesman problem. Issue 14 (17th July 2016) Authors: Barketau, Maksim; Pesch, Erwin Journal: International journal of production research Issue: Volume 54:Issue 14(2016) Page Start: 4205 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗