@article{NUMA_1973__21_132212,
     author = {Claes Johnson},
     title = {On the {Convergence} of a {Mixed} {Finite-Element} {Method} for {Plate} {Bending} {Problems.}},
     journal = {Numerische Mathematik},
     pages = {43--62},
     publisher = {mathdoc},
     volume = {21},
     year = {1973},
     zbl = {0264.65070},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1973__21_132212/}
}