# Search for Long-term Variability of Several Flat-Spectrum Sources at 111 MHz

> Research article (Astronomy Reports, 2019) · cited 14× · AI/ML

**Wikidata**: [openalex:W2987370480](https://www.wikidata.org/wiki/openalex:W2987370480)  
**Source**: https://4ort.xyz/entity/search-for-long-term-variability-of-several-flat-spectrum-sources-at-111-mhz