@article{PPN235181684_0212+dmdlog14,
title = {The Schur Multipliers of SL (3, Z) and \&L (4, Z).},
journal = {Mathematische Annalen},
volume = {212},
year = {1974},
pages = {47-50},
zbl = {0295.20052},
url = {http://dml.mathdoc.fr/item/PPN235181684_0212+dmdlog14}
}
Kallen, Wilberd van der. The Schur Multipliers of SL (3, Z) and &L (4, Z).. Mathematische Annalen, Tome 212 (1974) pp. 47-50. http://gdmltest.u-ga.fr/item/PPN235181684_0212+dmdlog14/