Voir la notice de l'article provenant de la source Novi sad journal of mathematics website
@article{NSJOM_1979_9_Nonea_14, author = {Stojakovi\'c Mirko}, title = {On a formal language for group theory}, journal = {Novi Sad Journal of Mathematics}, pages = {101-104}, publisher = {mathdoc}, volume = {9}, year = {1979}, url = {http://geodesic.mathdoc.fr/item/NSJOM_1979_9_Nonea_14/} }
Stojaković Mirko. On a formal language for group theory. Novi Sad Journal of Mathematics, Tome 9 (1979). http://geodesic.mathdoc.fr/item/NSJOM_1979_9_Nonea_14/