@article{VMUMM_1992_1_a14,
     author = {Nguyen Dinh Duk},
     title = {A comparative analysis of some solid criteria for ortotropic graphite},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {88--92},
     publisher = {mathdoc},
     number = {1},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1992_1_a14/}
}