Gradshteyn and Ryzhik
= Gradshteyn and Ryzhik
{wiki=Gradshteyn_and_Ryzhik}
"Gradshteyn and Ryzhik" refers to the book "Table of Integrals, Series, and Products," authored by I.S. Gradshteyn and I.M. Ryzhik. This comprehensive reference work, first published in 1943, is widely regarded in mathematics, physics, engineering, and other scientific disciplines for its extensive collection of mathematical formulas, integral tables, series expansions, and other related mathematical functions.