@article{10_4064_am29_4_4,
     author = {A. Benkirane and A. Elmahi and D. Meskine},
     title = {An existence theorem for a class
 of elliptic problems in $L^{1}$},
     journal = {Applicationes Mathematicae},
     pages = {439--457},
     publisher = {mathdoc},
     volume = {29},
     number = {4},
     year = {2002},
     doi = {10.4064/am29-4-4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am29-4-4/}
}