TY - JOUR AU - Saxena, Subhash C. TI - On existence of some hyplanes of order (n,m) JO - Portugaliae mathematica PY - 1975 SP - 197 EP - 198 VL - 34 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PORMA_1975__34_4_115264/ LA - en ID - PORMA_1975__34_4_115264 ER -