@article{GDZPPN002237202, title = {On the Cohomological Characterization of Real Free Pro-2-Group.}, journal = {Manuscripta mathematica}, volume = {86}, year = {1995}, pages = {247-260}, zbl = {0849.12012}, url = {http://dml.mathdoc.fr/item/GDZPPN002237202} }
Engler, Antonio José. On the Cohomological Characterization of Real Free Pro-2-Group.. Manuscripta mathematica, Tome 86 (1995) pp. 247-260. http://gdmltest.u-ga.fr/item/GDZPPN002237202/