@article{SMJ2_2008_34_1_a3,
     author = {Stefanov, Plamen},
     title = {Microlocal {Approach} to {Tensor} {Tomography} and {Boundary} and {Lens} {Rigidity}},
     journal = {Serdica Mathematical Journal},
     pages = {67--112},
     publisher = {mathdoc},
     volume = {34},
     number = {1},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SMJ2_2008_34_1_a3/}
}