%0 Journal Article %A El-Gebeily M.A. %T Weak formulation of singular differential expressions in spaces of functions with minimal derivatives. %J Abstract and Applied Analysis %D 2005 %P 691-705 %V 2005 %N 7 %I mathdoc %U https://geodesic-test.mathdoc.fr/articles/10.1155/AAA.2005.691/ %R 10.1155/AAA.2005.691 %G en %F 10_1155_AAA_2005_691