e/Rational zeta series

Information
has gloss	eng: In mathematics, a rational zeta series is the representation of an arbitrary real number in terms of a series consisting of rational numbers and the Riemann zeta function or the Hurwitz zeta function. Specifically, given a real number x, the rational zeta series for x is given by
lexicalization	eng: rational zeta series
instance of	(noun) any rational or irrational number real number, real