APA (7th ed.) Citation

Chunikhin, S. A., & Чунихин, С. А. (1971). On extension of indexials. Institute of Mathematics, NAS of Ukraine.

Chicago Style (17th ed.) Citation

Chunikhin, S. A., and С. А Чунихин. On Extension of Indexials. Institute of Mathematics, NAS of Ukraine, 1971.

MLA (8th ed.) Citation

Chunikhin, S. A., and С. А Чунихин. On Extension of Indexials. Institute of Mathematics, NAS of Ukraine, 1971.

Warning: These citations may not always be 100% accurate.