# Lobachevsky integral formula

> Mathematical identity used to evaluate certain improper integrals

**Wikidata**: [Q48997140](https://www.wikidata.org/wiki/Q48997140)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Lobachevsky_integral_formula)  
**Source**: https://4ort.xyz/entity/lobachevsky-integral-formula