@article{1971-dekker ,note={URL: {\tt http://cr.yp.to/\allowbreak bib/\allowbreak entries.html\#\allowbreak 1971/\allowbreak dekker}} ,author={Theodorus J. Dekker} ,ISSN={0029--599X} ,journal={Numerische Mathematik} ,MR={45:8056} ,pages={224--242} ,title={{A floating-point technique for extending the available precision}} ,volume={18} ,year={1971} }