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@article{MMO_1975_33_a5, author = {M. A. \v{S}ifrin}, title = {Theorems of {Liouville} type for higher order elliptic equations}, journal = {Trudy Moskovskogo matemati\v{c}eskogo ob\^{s}estva}, pages = {263--278}, publisher = {mathdoc}, volume = {33}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MMO_1975_33_a5/} }
M. A. Šifrin. Theorems of Liouville type for higher order elliptic equations. Trudy Moskovskogo matematičeskogo obŝestva, Trudy Moskovskogo Matematicheskogo Obshchestva, Tome 33 (1975), pp. 263-278. http://geodesic.mathdoc.fr/item/MMO_1975_33_a5/