@article{10_4153_CJM_2010_035_5,
     author = {Casals-Ruiz, Montserrat},
     title = {Elements of {Algebraic} {Geometry} and the {Positive} {Theory} of {Partially} {Commutative} {Groups}},
     journal = {Canadian journal of mathematics},
     pages = {481--519},
     year = {2010},
     volume = {62},
     number = {3},
     doi = {10.4153/CJM-2010-035-5},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2010-035-5/}
}