@article{10_37236_3073,
     author = {Wilfried Imrich and Rafa{\l} Kalinowski and Florian Lehner and Monika Pil\'sniak},
     title = {Endomorphism breaking in graphs},
     journal = {The electronic journal of combinatorics},
     year = {2014},
     volume = {21},
     number = {1},
     doi = {10.37236/3073},
     zbl = {1300.05100},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/3073/}
}