@article{1256052717,
author = {Sweedler, Moss Eisenberg},
title = {Multiplication alteration by two-cocycles},
journal = {Illinois J. Math.},
volume = {15},
number = {4},
year = {1971},
pages = { 302-323},
language = {en},
url = {http://dml.mathdoc.fr/item/1256052717}
}
Sweedler, Moss Eisenberg. Multiplication alteration by two-cocycles. Illinois J. Math., Tome 15 (1971) no. 4, pp. 302-323. http://gdmltest.u-ga.fr/item/1256052717/