@article{DE_1986_22_12_a20, author = {E. G. Sitnikova}, title = {The behavior of solutions of a mixed boundary value problem for a higher-order elliptic equation}, journal = {Differencialʹnye uravneni\^a}, pages = {2176--2178}, publisher = {mathdoc}, volume = {22}, number = {12}, year = {1986}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1986_22_12_a20/} }