Algorithms for routing and wavelength assignment based on solutions of LP-relaxations. - Rajesh M. Krishnaswamy; Kumar N. Sivarajan (IEEE Commun. Lett., 2001)

Design of logical topologies: a linear formulation for wavelength-routed optical networks with no wavelength changers. - Rajesh M. Krishnaswamy; Kumar N. Sivarajan (IEEE/ACM Trans. Netw., 2001)