APA (7th ed.) Citation

Iliev, L. (1975). On the development of mathematics in the people's republic of Bulgaria. Bulgarian Academy of Sciences.

Chicago Style (17th ed.) Citation

Iliev, Ljubomir. On the Development of Mathematics in the People's Republic of Bulgaria. Sofia: Bulgarian Academy of Sciences, 1975.

MLA (9th ed.) Citation

Iliev, Ljubomir. On the Development of Mathematics in the People's Republic of Bulgaria. Bulgarian Academy of Sciences, 1975.

Warning: These citations may not always be 100% accurate.