@article{10_5427_jsing_2012_5c, author = {Enrique Artal Bartolo and Jos\'e I. Cogolludo-Agust{\'\i}n, and Daniel Matei}, title = {Orbifold groups, quasi-projectivity and covers}, journal = {Journal of Singularities}, pages = {33--47}, publisher = {mathdoc}, volume = {5}, year = {2012}, doi = {10.5427/jsing.2012.5c}, url = {http://geodesic.mathdoc.fr/articles/10.5427/jsing.2012.5c/} }