@article{DMGT_2016_36_4_a1,
     author = {Ma, Xuanlong and Wang, Kaishun},
     title = {Integral {Cayley} {Sum} {Graphs} and {Groups}},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {797--803},
     publisher = {mathdoc},
     volume = {36},
     number = {4},
     year = {2016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2016_36_4_a1/}
}