@article{AM2_1981__22_136850,
     author = {Andrew J. Martin and James W. Daniel},
     title = {Extrapolation with spline-collocation methods for two-point boundary-value problems {II:} {C2-cubics.}},
     journal = {Aequationes mathematicae},
     pages = {39--41},
     publisher = {mathdoc},
     volume = {22},
     year = {1981},
     zbl = {0458.65066},
     url = {http://geodesic.mathdoc.fr/item/AM2_1981__22_136850/}
}