@article{NUMA_1965__7_131661,
     author = {W.P. TIMLAKE},
     title = {An {Extension} of the ...2 {Procedure.}},
     journal = {Numerische Mathematik},
     pages = {261--268},
     year = {1965},
     volume = {7},
     zbl = {0258.65081},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1965__7_131661/}
}