@article{TAM_1979_5_1_a14,
     author = {Dragi Radojevi\'c},
     title = {Eigen values and principal directions of the energy momentum tensor of a perfect charged fluid},
     journal = {Theoretical and applied mechanics},
     pages = {151 },
     publisher = {mathdoc},
     volume = {5},
     number = {1},
     year = {1979},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAM_1979_5_1_a14/}
}