W tym numerze m. in. artykuły:O. Rask "On the exponentiation of the affine metaplectic Lie algebra";G. Blankenstein, T. S. Ratiu "Singular reduction of implicit Hamiltonian systems";S. Pulmannova "Tensor products of Hilbert space effect algebras";H. Grudziński, J. Hirsch "Spectral decomposition of...
