@article{10_21136_CPM_1987_118296,
     author = {Chartrand, Gary and Saba, Farrokh and Zou, Hung Bin},
     title = {Greatest common subgraphs of graphs},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {80--88},
     publisher = {mathdoc},
     volume = {112},
     number = {1},
     year = {1987},
     doi = {10.21136/CPM.1987.118296},
     mrnumber = {880934},
     zbl = {0624.05057},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1987.118296/}
}