@article{10_1007_s10587_016_0304_8,
     author = {Ali, Didar A. and Gauci, John Baptist and Sciriha, Irene and Sharaf, Khidir R.},
     title = {Coalescing {Fiedler} and core vertices},
     journal = {Czechoslovak Mathematical Journal},
     pages = {971--985},
     publisher = {mathdoc},
     volume = {66},
     number = {3},
     year = {2016},
     doi = {10.1007/s10587-016-0304-8},
     mrnumber = {3556879},
     zbl = {06644045},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/articles/10.1007/s10587-016-0304-8/}
}