@article{10_4153_S0008439521000412,
     author = {Christensen, Ole and Hasannasab, Marzieh},
     title = {Completion versus removal of redundancy by perturbation},
     journal = {Canadian mathematical bulletin},
     pages = {456--465},
     year = {2022},
     volume = {65},
     number = {2},
     doi = {10.4153/S0008439521000412},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/S0008439521000412/}
}