@article{NUMA_1968__11_131822,
     author = {G. BIRKHOFF and R.S. VARGA and M.H. SCHULTZ},
     title = {Piecewise {Hermite} {Interpolation} in {One} and {Two} {Variables} with {Applications} to {Partial} {Differential} {Equations.}},
     journal = {Numerische Mathematik},
     pages = {232--256},
     publisher = {mathdoc},
     volume = {11},
     year = {1968},
     zbl = {0159.20904},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1968__11_131822/}
}