@article{TAM_1981_7_1_a12,
     author = {Dragi Radojevi\'c},
     title = {Eigen values and principal directions of the energy momentum tensor of the ferrofluid},
     journal = {Theoretical and applied mechanics},
     pages = {113 },
     year = {1981},
     volume = {7},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAM_1981_7_1_a12/}
}