%0 Journal Article %A P. Cohn %T The universal skew field of fractions ofa tensor product of free rings %J Colloquium Mathematicum %D 1997 %P 1-8 %V 72 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-72-1-1-8/ %R 10.4064/cm-72-1-1-8 %G en %F 10_4064_cm_72_1_1_8