Não informado. (1981). Zbornik Radova Prirodno-Matematickog Fakulteta. University of Novi Sad, Institute of Mathematics, Faculty of Science.
Style de citation Chicago (17e éd.)Não informado. Zbornik Radova Prirodno-Matematickog Fakulteta. Novi Sad, Iugoslavia: University of Novi Sad, Institute of Mathematics, Faculty of Science, 1981.
Style de citation MLA (8e éd.)Não informado. Zbornik Radova Prirodno-Matematickog Fakulteta. University of Novi Sad, Institute of Mathematics, Faculty of Science, 1981.
Attention : ces citations peuvent ne pas être correctes à 100%.