# Ladislaus Bortkiewicz

> Russian economist and statistician (1868–1931)

**Wikidata**: [Q836646](https://www.wikidata.org/wiki/Q836646)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Ladislaus_Bortkiewicz)  
**Source**: https://4ort.xyz/entity/ladislaus-bortkiewicz


## References

1. Great Soviet Encyclopedia (1969–1978)
2. Integrated Authority File
3. LIBRIS. 2013
4. Czech National Authority Database
5. Mathematics Genealogy Project
6. general catalog of BnF
7. Virtual International Authority File
8. CiNii Research
9. MacTutor History of Mathematics archive
10. Brockhaus Enzyklopädie
11. Gran Enciclopèdia Catalana
12. Freebase Data Dumps. 2013
13. [Source](http://digitale.beic.it/primo_library/libweb/action/search.do?fn=search&vid=BEIC&vl%283134987UI0%29=creator&vl%28freeText0%29=Bortkiewicz%20Ladislaus%20von)
14. CONOR.SI
15. [Source](http://purl.org/pressemappe20/beaconlist/pe)
16. Sejm-Wielki.pl