@article{10_1023_A_1022421722236,
     author = {Korotov, Sergey},
     title = {On equilibrium finite elements in three-dimensional case},
     journal = {Applications of Mathematics},
     pages = {233--242},
     publisher = {mathdoc},
     volume = {42},
     number = {3},
     year = {1997},
     doi = {10.1023/A:1022421722236},
     mrnumber = {1441632},
     zbl = {0902.65055},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1023/A:1022421722236/}
}