@article{AMC_2019__16_1_a21,
     author = {Announcement ​},
     title = {
		9th {PhD} {Summer} {School} in {Discrete} {Mathematics
}	},
     journal = {Ars mathematica contemporanea},
     year = {2019},
     volume = {16},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AMC_2019__16_1_a21/}
}