@article{IVM_1990_10_a7,
     author = {L. A. Bagirov and P. A. Myshkis},
     title = {An a~priori estimate for the solution of boundary value problems for a~second-order elliptic equation in domains with edges},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {56--58},
     publisher = {mathdoc},
     number = {10},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1990_10_a7/}
}