On normal semigroups
Nobuaki Kuroki (1977)
Czechoslovak Mathematical Journal
Similarity:
Nobuaki Kuroki (1977)
Czechoslovak Mathematical Journal
Similarity:
Nenthein, S., Kemprasit, Y. (2006)
International Journal of Mathematics and Mathematical Sciences
Similarity:
Bedřich Pondělíček (1972)
Czechoslovak Mathematical Journal
Similarity:
Bedřich Pondělíček (1971)
Matematický časopis
Similarity: