Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1985__35_4_a7, author = {Draveck\'y, Jozef}, title = {Product decomposition of a $sigma$-ring}, journal = {Mathematica slovaca}, pages = {373--375}, publisher = {mathdoc}, volume = {35}, number = {4}, year = {1985}, mrnumber = {820634}, zbl = {0592.28006}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1985__35_4_a7/} }
Dravecký, Jozef. Product decomposition of a $sigma$-ring. Mathematica slovaca, Tome 35 (1985) no. 4, pp. 373-375. http://geodesic.mathdoc.fr/item/MASLO_1985__35_4_a7/