@article{10_1090_S0894_0347_98_00261_6,
     author = {Moriwaki, Atsushi},
     title = {Relative {Bogomolov\^a€™s} inequality and the cone of positive divisors on the moduli space of stable curves},
     journal = {Journal of the American Mathematical Society},
     pages = {569--600},
     publisher = {mathdoc},
     volume = {11},
     number = {3},
     year = {1998},
     doi = {10.1090/S0894-0347-98-00261-6},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-98-00261-6/}
}