The Title of an Article

This article illustrates many features of a mathematics article, but we do not explain the spurious appearance of the formula (rF) � k = z + 1 in this abstract. 1. Sample Mathematics and Text This short sample document illustrates the typeset appearance of in-line and dis- played mathematics in documents. It also illustratesve levels of section headings and three kinds of lists. Finally, the document includes entries for a manual bibli- ography and an appendix.