@article{1062621138,
author = {Hulpke, Alexander},
title = {Block systems of a Galois group},
journal = {Experiment. Math.},
volume = {4},
number = {4},
year = {1995},
pages = { 1-9},
language = {en},
url = {http://dml.mathdoc.fr/item/1062621138}
}
Hulpke, Alexander. Block systems of a Galois group. Experiment. Math., Tome 4 (1995) no. 4, pp. 1-9. http://gdmltest.u-ga.fr/item/1062621138/