@article{BASS_2017_42_1_a4,
     author = {Marko Kosti\'c and Stevan Pilipovi\'c and Daniel Velinov},
     title = {Degenerate $C$-ultradistribution semigroups in locally convex spaces},
     journal = {Bulletin de l'Acad\'emie serbe des sciences. Classe des sciences math\'ematiques et naturelles},
     pages = {53 - 67},
     publisher = {mathdoc},
     volume = {42},
     number = {1},
     year = {2017},
     url = {http://geodesic.mathdoc.fr/item/BASS_2017_42_1_a4/}
}