@article{DE_1990_26_3_a12,
     author = {I. A. Kipriyanov and L. A. Ivanov},
     title = {The {d'Alembert} representation and the equipartition of energy},
     journal = {Differencialʹnye uravneni\^a},
     pages = {458--464},
     publisher = {mathdoc},
     volume = {26},
     number = {3},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1990_26_3_a12/}
}