@article{ISU_2018_18_4_a9, author = {Yu. N. Radayev}, title = {Instantaneously not elongated directors in three-dimensional kinematics of the {Coulomb{\textendash}Mohr} medium}, journal = {Izvestiya of Saratov University. Mathematics. Mechanics. Informatics}, pages = {467--483}, year = {2018}, volume = {18}, number = {4}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/ISU_2018_18_4_a9/} }