@article{DE_1985_21_12_a18,
     author = {G. I. Shishkin},
     title = {A difference scheme for a fourth-order elliptic equation with a small parameter multiplying the derivatives},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2159--2165},
     publisher = {mathdoc},
     volume = {21},
     number = {12},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1985_21_12_a18/}
}