@article{PIM_1993_N_S_53_67_a10,
     author = {A.T. El-dessouky},
     title = {Variational {Inequalities} of {Strongly} {Nonlinear} {Elliptic} {Operators} of {Infinite} {Order}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {81 },
     publisher = {mathdoc},
     volume = {_N_S_53},
     number = {67},
     year = {1993},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PIM_1993_N_S_53_67_a10/}
}