Biblio

Author Title Type [ Year(Asc)]
Filters: First Letter Of Title is O and Author is K. Todorov  [Clear All Filters]
1972
Todorov K..  1972.  Ordered semigroups and groups of the second and third kind. Annuaire de l’Université de Sofia “St. Kliment Ohridski”. Faculté des Mathématiques. 65:249-264.PDF icon 65-249-264.pdf (9.86 MB)

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