@article{GDZPPN002099802, title = {Breaking Cycles on Surfaces.}, journal = {Inventiones mathematicae}, volume = {74}, year = {1983}, pages = {43-62}, zbl = {0536.58018}, url = {http://dml.mathdoc.fr/item/GDZPPN002099802} }
Malta, I.P.; Pacifico, M.J. Breaking Cycles on Surfaces.. Inventiones mathematicae, Tome 74 (1983) pp. 43-62. http://gdmltest.u-ga.fr/item/GDZPPN002099802/