@article{IVM_1981_2_a8,
     author = {V. G. Maz'ya and B. A. Plamenevskii},
     title = {On the maximum principle for the biharmonic equation in a~domain with conical points},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {52--59},
     publisher = {mathdoc},
     number = {2},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1981_2_a8/}
}