@book{GKP_CM,
 author = {Graham, Ronald L. and Knuth, Donald E. and Patashnik, Oren},
 title = {Concrete Mathematics: A Foundation for Computer Science},
 year = {1994},
 isbn = {0201558025},
 edition = {2nd},
 publisher = {Addison--Wesley},
 address = {Boston, MA, USA},
}

@book{AS_HMF,
  address = {New York},
  author = {Abramowitz, Milton and Stegun, Irene A.},
  edition = {tenth printing},
  publisher = {Dover},
  title = {Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables},
  year = 1964
}


@article{apostol99,
 ISSN = {00029890, 19300972},
 URL = {http://www.jstor.org/stable/2589145},
 author = {Tom M. Apostol},
 journal = {The American Mathematical Monthly},
 number = {5},
 pages = {409-418},
 publisher = {Mathematical Association of America},
 title = {\emph{An {E}lementary {V}iew of {E}uler's {S}ummation {F}ormula}},
 volume = {106},
 year = {1999}
}


