\bib{2000/snyder}
\yr 2000
\mr 2001g:11033
\by Noah Snyder
\paper An alternate proof of Mason's theorem
\jour Elemente der Mathematik
\issn 0013--6018
\vol 55
\pages 93--94
\url http://www.springerlink.com/openurl.asp?genre=article\&issn=0013-6018\&volume=55\&issue=3\&spage=93
\endref