@article{NUMA_1974__22_132268,
     author = {R.S. Varga and W.J. Kammerer and G.W. Reddien},
     title = {Quadratic {Interpolatory} {Splines.}},
     journal = {Numerische Mathematik},
     pages = {241--260},
     publisher = {mathdoc},
     volume = {22},
     year = {1974},
     zbl = {0271.65006},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1974__22_132268/}
}