@book{1740-simpson
,note={URL: {\tt http://cr.yp.to/\allowbreak bib/\allowbreak entries.html\#\allowbreak 1740/\allowbreak simpson}}
,title={{Essays on several curious and useful subjects in speculative and mix'd mathematics, illustrated by a variety of examples}}
,booktitle={{Essays on several curious and useful subjects in speculative and mix'd mathematics, illustrated by a variety of examples}}
,author={Thomas Simpson}
,year={1740}
}