APA (7th ed.) Citation

Kats, I. S., Кац, И. С., & Кац, И. С. (1994). Spectral theory of a string. Institute of Mathematics, NAS of Ukraine.

Chicago Style (17th ed.) Citation

Kats, I. S., И. С Кац, and И. С Кац. Spectral Theory of a String. Institute of Mathematics, NAS of Ukraine, 1994.

MLA (8th ed.) Citation

Kats, I. S., et al. Spectral Theory of a String. Institute of Mathematics, NAS of Ukraine, 1994.

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