Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1992_52_6_a13, author = {V. A. Faiziev}, title = {Spaces of pseudocharacters of free products of semigroups}, journal = {Matemati\v{c}eskie zametki}, pages = {119--130}, publisher = {mathdoc}, volume = {52}, number = {6}, year = {1992}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1992_52_6_a13/} }
V. A. Faiziev. Spaces of pseudocharacters of free products of semigroups. Matematičeskie zametki, Tome 52 (1992) no. 6, pp. 119-130. http://geodesic.mathdoc.fr/item/MZM_1992_52_6_a13/