%0 Journal Article %A Yu. A. Konyaev %T Asymptotic representation of periodic solutions of certain elliptic equations of order $2m$ in the process $m\rightarrow \infty $ %J Differencialʹnye uravneniâ %D 1978 %P 1900-1902 %V 14 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1978_14_10_a19/ %G ru %F DE_1978_14_10_a19