@article{1077294012,
author = {Abhyankar, Shreeram S. and Seiler, Wolfgang K. and Popp, Herbert},
title = {Mathieu-group coverings of the affine line},
journal = {Duke Math. J.},
volume = {68},
number = {1},
year = {1992},
pages = { 301-311},
language = {en},
url = {http://dml.mathdoc.fr/item/1077294012}
}
Abhyankar, Shreeram S.; Seiler, Wolfgang K.; Popp, Herbert. Mathieu-group coverings of the affine line. Duke Math. J., Tome 68 (1992) no. 1, pp. 301-311. http://gdmltest.u-ga.fr/item/1077294012/