@article{10_21136_AM_1988_104282,
     author = {Tran, Van Bon},
     title = {Finite element analysis of primal and dual variational formulations of semicoercive elliptic problems with nonhomogeneous obstacles on the boundary},
     journal = {Applications of Mathematics},
     pages = {1--21},
     publisher = {mathdoc},
     volume = {33},
     number = {1},
     year = {1988},
     doi = {10.21136/AM.1988.104282},
     mrnumber = {0934370},
     zbl = {0638.65077},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.1988.104282/}
}