@article{DAN_1988_303_6_a11, author = {A. N. Elpatievskii and I. F. Obraztsov and P. A. Belov}, title = {A general approach to the formulation of linear models of media of}, journal = {Doklady Akademii Nauk}, pages = {1331--1334}, year = {1988}, volume = {303}, number = {6}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1988_303_6_a11/} }