APA (7th ed.) Citation

Kostin, A. V., Костин, А. В., & Костин, А. В. (2018). Problem of shadow in the Lobachevski space. Institute of Mathematics, NAS of Ukraine.

Chicago Style (17th ed.) Citation

Kostin, A. V., А. В Костин, and А. В Костин. Problem of Shadow in the Lobachevski Space. Institute of Mathematics, NAS of Ukraine, 2018.

MLA (8th ed.) Citation

Kostin, A. V., et al. Problem of Shadow in the Lobachevski Space. Institute of Mathematics, NAS of Ukraine, 2018.

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