Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{ARM_1971__7_4_a0, author = {Barv{\'\i}nek, Erich}, title = {Fundamental central dispersions in a double system $\langle\langle\frak G\rangle\rangle$}, journal = {Archivum mathematicum}, pages = {145--152}, publisher = {mathdoc}, volume = {07}, number = {4}, year = {1971}, mrnumber = {0315223}, zbl = {0243.34116}, language = {en}, url = {http://geodesic.mathdoc.fr/item/ARM_1971__7_4_a0/} }
Barvínek, Erich. Fundamental central dispersions in a double system $\langle\langle\frak G\rangle\rangle$. Archivum mathematicum, Tome 07 (1971) no. 4, pp. 145-152. http://geodesic.mathdoc.fr/item/ARM_1971__7_4_a0/