@article{TAM_1980_6_1_a4,
     author = {Jovo Jari\'c and Slavko Rankovi\'c},
     title = {Acceleration waves in granular materials},
     journal = {Theoretical and applied mechanics},
     pages = {66 },
     publisher = {mathdoc},
     volume = {6},
     number = {1},
     year = {1980},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAM_1980_6_1_a4/}
}