@article{10_21136_AM_1973_103465,
     author = {Koukal, Stanislav},
     title = {Piecewise polynomial interpolations in the finite element method},
     journal = {Applications of Mathematics},
     pages = {146--160},
     publisher = {mathdoc},
     volume = {18},
     number = {3},
     year = {1973},
     doi = {10.21136/AM.1973.103465},
     mrnumber = {0321318},
     zbl = {0305.65070},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.1973.103465/}
}