@article{CRMATH_2002__334_6_457_0, author = {Vitaly Volpert and Aizik Volpert}, title = {Normal solvability of linear elliptic problems}, journal = {Comptes Rendus. Math\'ematique}, pages = {457--462}, publisher = {Elsevier}, volume = {334}, number = {6}, year = {2002}, doi = {10.1016/S1631-073X(02)02286-0}, language = {en}, }