APA (7th ed.) Citation

Pondělíček, B. A RELATION FOR CLOSURE OPERATIONS ON A SEMIGROUP.

Chicago Style (17th ed.) Citation

Pondělíček, Bedřich. A RELATION FOR CLOSURE OPERATIONS ON A SEMIGROUP.

MLA (9th ed.) Citation

Pondělíček, Bedřich. A RELATION FOR CLOSURE OPERATIONS ON A SEMIGROUP.

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