@article(filaseta,
 author       = "Michael Filaseta and Carrie Finch and Mark Kozek",
 year         = "2008",
 title        = "On Powers Associated with {Sierpi{\'{n}}ski} Numbers, {Riesel} Numbers and {Polignac's} Conjecture",
 journal      = "Journal of Number Theory",
 volume       = "128",
 pages        = "1916--1940",
)
@article(jones,
 author       = "Lenny Jones",
 year         = "2011",
 title        = "When Does Appending the Same Digit Repeatedly on the Right of a Positive Integer Generate a Sequence of Composite Integers?",
 journal      = "American Mathematical Monthly",
 volume       = "118",
 pages        = "153--160",
)
@misc(oeis,
 title        = "Website: The On-Line Encyclopedia of Integer Sequences",
 howpublished = "\texttt {http://oeis.org/A046067}",
)
@book(pickover,
 author       = "Clifford Pickover",
 year         = "2009",
 title        = "The Math Book",
 publisher    = "Sterling Publishing",
 address      = "New York",
)
@article(riesel,
 author       = "Hans Riesel",
 year         = "1956",
 title        = "N{\r a}gra Stora Primtal ({Swedish}: Some Large Primes)",
 journal      = "Elementa",
 volume       = "39",
 pages        = "258--260",
)
@misc(17orbust,
 title        = "Website: Seventeen or Bust",
 howpublished = "\texttt {www.seventeenorbust.com}",
 note         = "A Distibuted Attack on the Sierpinski Problem",
)
@article(sierpinski,
 author       = "Waclaw Sierpi{\'{n}}ski",
 year         = "1960",
 title        = "Sur un Probl{\`{e}}me Concernant les Nombres {$k\cdot 2^{n}+1$}",
 journal      = "Elem. Math.",
 volume       = "15",
 pages        = "73--74",
 note         = "Corrigendum, \textit {ibidem}, 17:85, 1962",
)
@book(sierpinski1,
 author       = "Waclaw Sierpi{\'{n}}ski",
 year         = "1987",
 title        = "Elementary Theory of Numbers",
 publisher    = "PWN--Polish Scientific Publishers and Elsevier Science Publishers",
 address      = "Warszawa and Amsterdam",
 note         = "Second {English} edition revised and enlarged by A. Schinzel",
)
@misc(proth,
 title        = "Website: The {Sierpi{\'{n}}ski} Problem: Definition and Status",
 howpublished = "\texttt {www.prothsearch.net/sierp.html}",
)