}
+@InBook{Wei72,
+ author = "K. Weierstrass",
+ title = "{\"U}ber continuirliche {F}unctionen eines reellen
+ {A}rguments, die f{\"u}r keinen {W}erth des letzteren
+ einen bestimmten {D}ifferentialquotienten besitzen",
+ pages = "71--74",
+ publisher = "Berlin: Mayer \& {M\"u}ller ({H}erausgegeben unter
+ {M}itwirkung einer von der k{\"o}niglich
+ preu\ss{}ischen Akademie der {W}issenschaften
+ eingesetzten {C}ommission)",
+ year = "1872",
+ volume = "2",
+ series = "Mathematische Werke",
+}
+
+@Article{Gugg86,
+ author = "H. Guggenheimer",
+ title = "Initial approximations in {Durand--Kerner}'s root
+ finding method",
+ journal = "BIT",
+ volume = "26",
+ number = "4",
+ pages = "537--539",
+ month = dec,
+ year = "1986",
+ CODEN = "BITTEL, NBITAB",
+ doi = "http://dx.doi.org/10.1007/BF01935059",
+ ISSN = "0006-3835 (print), 1572-9125 (electronic)",
+ issn-l = "0006-3835",
+ bibdate = "Wed Jan 4 18:52:19 MST 2006",
+ bibsource = "http://springerlink.metapress.com/openurl.asp?genre=issue&issn=0006-3835&volume=26&issue=4;
+ http://www.math.utah.edu/pub/tex/bib/bit.bib",
+ acknowledgement = "Nelson H. F. Beebe, University of Utah, Department
+ of Mathematics, 110 LCB, 155 S 1400 E RM 233, Salt Lake
+ City, UT 84112-0090, USA, Tel: +1 801 581 5254, FAX: +1
+ 801 581 4148, e-mail: \path|beebe@math.utah.edu|,
+ \path|beebe@acm.org|, \path|beebe@computer.org|
+ (Internet), URL:
+ \path|http://www.math.utah.edu/~beebe/|",
+ journal-url = "http://link.springer.com/journal/10543",
+ doi-url = "http://dx.doi.org/10.1007/BF01935059",
+}
+
+
+
+@InCollection{newt70,
+ author = "Isaac Newton",
+ year = "1670--71?",
+ title = "Tractatus de Methodis Serierum et Fluxionum",
+ booktitle = "The Mathematical Papers of Isaac Newton, III",
+ editor = "D. T. Whiteside",
+ pages = "32--353",
+ publisher = "Cambridge University Press, Cambridge",
+ kwds = "na, history, Newton's method",
+}
+
+
+
+
+
+
+
