Jan De Beule, Klaus Metsch, Leo Storme. Characterization results on small blocking sets of the polar spaces ::::Q:::: :::+:::(2 ::::n:::: + 1, 2) and ::::Q:::: :::+:::(2 ::::n:::: + 1, 3). Des. Codes Cryptography, 44(1-3):197-207, 2007. [doi]
Abstract is missing.