%0 Journal Article
%A Gonçalves, Daciberg Lima
%A Guaschi, John
%T The braid groups of the projective plane
%J Algebraic and Geometric Topology
%D 2004
%P 757-780
%V 4
%N 2
%U http://geodesic.mathdoc.fr/articles/10.2140/agt.2004.4.757/
%R 10.2140/agt.2004.4.757
%F 10_2140_agt_2004_4_757