@article{NUMA_1989__56_2-3_133404,
     author = {Jukka Saranen},
     title = {Extrapolation {Methods} for {Spline} {Collocation} {Solutions} of {Pseudodifferential} {Equations} on {Curves.}},
     journal = {Numerische Mathematik},
     pages = {385--408},
     publisher = {mathdoc},
     volume = {56},
     number = {2-3},
     year = {1989},
     zbl = {0686.65085},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1989__56_2-3_133404/}
}