@article{10_4153_S0008414X2000070X,
     author = {Backhausz, \'Agnes and Szegedy, Bal\'azs},
     title = {Action convergence of operators and graphs},
     journal = {Canadian journal of mathematics},
     pages = {72--121},
     year = {2022},
     volume = {74},
     number = {1},
     doi = {10.4153/S0008414X2000070X},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/S0008414X2000070X/}
}