@article{DE_1978_14_10_a19, author = {Yu. A. Konyaev}, title = {Asymptotic representation of periodic solutions of certain elliptic equations of order $2m$ in the process $m\rightarrow \infty $}, journal = {Differencialʹnye uravneni\^a}, pages = {1900--1902}, publisher = {mathdoc}, volume = {14}, number = {10}, year = {1978}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1978_14_10_a19/} }