T. V. Thirumala Reddy, D. Sai Krishna, C. Pandu Rangan. The Guarding Problem - Complexity and Approximation. In Jirà Fiala, Jan KratochvÃl, Mirka Miller, editors, Combinatorial Algorithms, 20th International Workshop, IWOCA 2009, Hradec nad MoravicÃ, Czech Republic, June 28-July 2, 2009, Revised Selected Papers. Volume 5874 of Lecture Notes in Computer Science, pages 460-470, Springer, 2009. [doi]
Abstract is missing.