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Nauchni Tr., Plovdivski Univ., Mat.
Nauchni Trudove. Matematika. Scientific Works. Mathematics. Plovdiv University Press (Plovdivsko Universitetsko Izdatelstvo), Plovdiv. Bulgarian, English, French. [1 vol. (= 3 issues) a year]
Journal, ISSN 0204-5249
Formerly: Nauchni Tr., Plovdivski Univ.
Library shelfmarks: GOE: ZA 25003; TIB: ZZ 2187
