Deveta proletna konferent͡sii͡a na matematit͡site v Bŭlgarii͡a, Slŭnchev briag, 2-6.IV.1980 g.
Subtitle: svŭrzvane na znanii͡ata po matematika s praktikata i mnogostrannoto razvitie na mladezhta
By: Sŭi͡uz na matematit͡site v Bŭlgarii͡a.
Contributors: Bulgaria. Ministerstvo na narodnata prosveta.
Publisher: Sŭi͡uz na matematit͡site v Bŭlgarii͡a
Published: 1980
Place of publication: Sofii͡a
Language: bul
Number of pages: 23
Subjects: Mathematics -- Study and teaching -- Congresses.
Notes: Cover title.
At head of title: Ministerstvo na narodnata prosveta.