%0 Journal Article %A Saxena, Subhash C. %T On existence of some hyplanes of order (n,m) %J Portugaliae mathematica %D 1975 %P 197-198 %V 34 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1975__34_4_115264/ %G en %F PORMA_1975__34_4_115264