@article{10_37236_2408,
     author = {Will Grilliette},
     title = {Injective envelopes and projective covers of quivers},
     journal = {The electronic journal of combinatorics},
     year = {2012},
     volume = {19},
     number = {2},
     doi = {10.37236/2408},
     zbl = {1252.05149},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/2408/}
}