@article{10_1155_AAA_2005_733,
     author = {Volpert A. and Volpert V.},
     title = {Normal solvability of general linear elliptic problems.},
     journal = {Abstract and Applied Analysis},
     pages = {733-756},
     publisher = {mathdoc},
     volume = {2005},
     number = {7},
     year = {2005},
     doi = {10.1155/AAA.2005.733},
     zbl = {1128.35038},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/articles/10.1155/AAA.2005.733/}
}