@article{MASLO_1995__45_4_a1,
     author = {Li, Weimin},
     title = {Green's relations on the endomorphism monoid of a graph},
     journal = {Mathematica slovaca},
     pages = {335--347},
     publisher = {mathdoc},
     volume = {45},
     number = {4},
     year = {1995},
     mrnumber = {1387049},
     zbl = {0853.05046},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1995__45_4_a1/}
}