@article{10_4153_CMB_2017_022_3,
     author = {Fiori, Andrew},
     title = {A {Riemann{\textendash}Hurwitz} {Theorem} for the {Algebraic} {Euler} {Characteristic}},
     journal = {Canadian mathematical bulletin},
     pages = {490--509},
     year = {2017},
     volume = {60},
     number = {3},
     doi = {10.4153/CMB-2017-022-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2017-022-3/}
}