@article{DE_1976_12_10_a12,
     author = {E. F. Lelikova},
     title = {The asymptotic expansion of the solution of a second order elliptic equation with a small parameter multiplying the highest derivatives},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1852--1865},
     publisher = {mathdoc},
     volume = {12},
     number = {10},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1976_12_10_a12/}
}