@article{10_4153_S0008439521000850,
     author = {Dayan, Alberto},
     title = {Weakly separated {Bessel} systems of model spaces},
     journal = {Canadian mathematical bulletin},
     pages = {723--742},
     year = {2022},
     volume = {65},
     number = {3},
     doi = {10.4153/S0008439521000850},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/S0008439521000850/}
}