@article{DAN_1963_148_1_a15,
     author = {D. D. Ivlev},
     title = {On theory of complex media},
     journal = {Doklady Akademii Nauk},
     pages = {64--67},
     publisher = {mathdoc},
     volume = {148},
     number = {1},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_148_1_a15/}
}