Pollák György. (1975). On hereditarily finitely based varieties of semigroups.
Chicago Style (17th ed.) CitationPollák György. On Hereditarily Finitely Based Varieties of Semigroups. 1975.
MLA idézésPollák György. On Hereditarily Finitely Based Varieties of Semigroups. 1975.
Figyelem: ezek az hivatkozások nem 100%-ban pontosak..