70319196

a

70319196 Elbassioni, Khaled M. Krohn, Erik Matijevic, Domagoj Mestre, Juli\'an Severdija, Domagoj Improved approximations for guarding 1.5-dimensional terrains STACS, 361-371 (2009). 2009 EN

doi:10.4230/LIPIcs.STACS.2009.1841