@article{VSGTU_2019_23_2_a5,
     author = {M. A. Kulagina and B. A. Rychkov and Yu. Yu. Stepanova},
     title = {Determination of elastic constants of rocks},
     journal = {Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences},
     pages = {284--303},
     publisher = {mathdoc},
     volume = {23},
     number = {2},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGTU_2019_23_2_a5/}
}