TY - JOUR AU - Enrique Artal Bartolo AU - José I. Cogolludo-Agustín, AU - Daniel Matei TI - Orbifold groups, quasi-projectivity and covers JO - Journal of Singularities PY - 2012 SP - 33 EP - 47 VL - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.5427/jsing.2012.5c/ DO - 10.5427/jsing.2012.5c ID - 10_5427_jsing_2012_5c ER -