The Convex-Hull-and-Line Traveling Salesman Problem: A Solvable Case. - Vladimir G. Deineko; René van Dal; Günter Rote (Inf. Process. Lett., 1994)

Hamiltonian properties of Toeplitz graphs. - René van Dal; Gert A. Tijssen; Zsolt Tuza; Jack A. A. van der Veen; Christina Zamfirescu; Tudor Zamfirescu (Discret. Math., 1996)

Well-Solvable Special Cases of the Traveling Salesman Problem: A Survey. - Rainer E. Burkard; Vladimir G. Deineko; René van Dal; Jack A. A. van der Veen; Gerhard J. Woeginger (SIAM Rev., 1998)