@TechReport{h-agtrp-94,
author = { Frank Hoffmann },
title = { The art gallery theorem for rectilinear polygons with holes (revised version) },
year = { 1994 },
number = { 94-22 },
}
 |   |
@TechReport{h-agtrp-94,
author = { Frank Hoffmann },
title = { The art gallery theorem for rectilinear polygons with holes (revised version) },
year = { 1994 },
number = { 94-22 },
}