@article{DE_1999_35_2_a7,
     author = {M. M. Karchevskii and A. D. Lyashko and M. R. Timerbaev},
     title = {The finite element method for fourth-order quasilinear degenerate elliptic equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {232--237},
     publisher = {mathdoc},
     volume = {35},
     number = {2},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1999_35_2_a7/}
}