@article{10_4153_S0008439519000390,
     author = {Bramburger, Jason J.},
     title = {Ultracontractive {Properties} for {Directed} {Graph} {Semigroups} with {Applications} to {Coupled} {Oscillators}},
     journal = {Canadian mathematical bulletin},
     pages = {13--30},
     year = {2020},
     volume = {63},
     number = {1},
     doi = {10.4153/S0008439519000390},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/S0008439519000390/}
}