\input zb-basic \input zb-ioport \iteman{io-port 50231845} \itemau{Packer, Asa} \itemti{NP - hardness of largest contained and smallest containing simplices for V- and H-polytopes} \itemso{Discrete & Computational Geometry 28, No. 3, 349-377 (2002).} \itemcc{} \itemut{} \itemli{doi:10.1007/s00454-002-0745-8} \end