@misc{RCM_2009_43_1_a3,
     title = {A direct proof of {Noether's} second isomorphism theorem for abelian categories},
     journal = {Revista colombiana de matematicas},
     pages = {35--42},
     publisher = {mathdoc},
     volume = {43},
     number = {1},
     year = {2009},
     url = {http://geodesic.mathdoc.fr/item/RCM_2009_43_1_a3/}
}