@article{IM2_2001_65_2_a1,
     author = {A. A. Kovalevsky},
     title = {Entropy solutions of the {Dirichlet} problem for a~class of non-linear elliptic fourth-order equations with right-hand sides in~$L^1$},
     journal = {Izvestiya. Mathematics },
     pages = {231--283},
     publisher = {mathdoc},
     volume = {65},
     number = {2},
     year = {2001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2001_65_2_a1/}
}