@article{dariano:1994:ddm,
    author = {D'Ariano, G. M. and Macchiavello, C. and Paris, M. G. A.},
     title = {Detection of the density matrix through optical homodyne tomography
              without filtered back projection},
   journal = {Phys. Rev. A},
    volume = {50},
      year = {1994},
    number = {5},
     pages = {4298–4302},
       doi = {10.1103/PhysRevA.50.4298}}