APA (7th ed.) Citation

Protasov, I. V., Протасов, И. В., & Протасов, И. В. (1997). Ideals and free Pairs in the semigroup β ℤ. Institute of Mathematics, NAS of Ukraine.

Chicago Style (17th ed.) Citation

Protasov, I. V., И. В Протасов, and И. В Протасов. Ideals and Free Pairs in the Semigroup β ℤ. Institute of Mathematics, NAS of Ukraine, 1997.

MLA (8th ed.) Citation

Protasov, I. V., et al. Ideals and Free Pairs in the Semigroup β ℤ. Institute of Mathematics, NAS of Ukraine, 1997.

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