@ARTICLE{PtakWeberLatProp,
  MYNOTE =   { S1997 },
  Html =   { PtakWeberLatProp },
  AUTHOR =   {Pt{\'a}k, P. and Weber, H.},
  TITLE =   {Lattice properties of subspaces in inner product
                  spaces},
  NOTE =   {Submitted},
  WHO =     {Navara},
}