@article{10_1155_AAA_2005_691, author = {El-Gebeily M.A.}, title = {Weak formulation of singular differential expressions in spaces of functions with minimal derivatives.}, journal = {Abstract and Applied Analysis}, pages = {691-705}, publisher = {mathdoc}, volume = {2005}, number = {7}, year = {2005}, doi = {10.1155/AAA.2005.691}, zbl = {1105.47042}, language = {en}, url = {https://geodesic-test.mathdoc.fr/articles/10.1155/AAA.2005.691/} }