@article{RCM_2019_53_2_a3,
     author = {Gustavo Arengas},
     title = {Categorical definitions and properties via generators},
     journal = {Revista colombiana de matematicas},
     pages = {165--184},
     publisher = {mathdoc},
     volume = {53},
     number = {2},
     year = {2019},
     url = {http://geodesic.mathdoc.fr/item/RCM_2019_53_2_a3/}
}