Geodesic
On least supersolutions for a~problem with an obstacle
Izvestiya. Mathematics , Tome 7 (1973) no. 5, pp. 1153-1183

Voir la notice de l'article provenant de la source Math-Net.Ru

The existence of a least supersolution on a closed convex set of functions is proved for certain classes of quasilinear elliptic and parabolic equations. Such a least supersolution is a solution of a variational inequality. 
@article{IM2_1973_7_5_a8,
     author = {A. A. Arkhipova},
     title = {On least supersolutions for a~problem with an obstacle},
     journal = {Izvestiya. Mathematics },
     pages = {1153--1183},
     publisher = {mathdoc},
     volume = {7},
     number = {5},
     year = {1973},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1973_7_5_a8/}
}
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A. A. Arkhipova. On least supersolutions for a~problem with an obstacle. Izvestiya. Mathematics , Tome 7 (1973) no. 5, pp. 1153-1183. http://geodesic.mathdoc.fr/item/IM2_1973_7_5_a8/