%0 Journal Article
%A Dydak, Jerzy
%A Levin, Michael
%T Extensions of maps to the projective plane
%J Algebraic and Geometric Topology
%D 2005
%P 1711-1718
%V 5
%N 4
%U http://geodesic.mathdoc.fr/articles/10.2140/agt.2005.5.1711/
%R 10.2140/agt.2005.5.1711
%F 10_2140_agt_2005_5_1711