Some visibility problems in point lattices
NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document. We say that one lattice point is visible from another if no third lattice point lies on the line joining them. A lattice point visible from the origin is called a visible point. We...
Internet
https://thesis.library.caltech.edu/2705/1/Rearick_df_1960.pdfRearick, David Francis (1960) Some visibility problems in point lattices. Dissertation (Ph.D.), California Institute of Technology. doi:10.7907/AH50-9D92. https://resolver.caltech.edu/CaltechETD:etd-06232006-133908 <https://resolver.caltech.edu/CaltechETD:etd-06232006-133908>