@article{10_4153_CMB_1989_046_4,
     author = {Herrero, Domingo A.},
     title = {The {Set} of {Finite} {Operators} is {Nowhere} {Dense}},
     journal = {Canadian mathematical bulletin},
     pages = {320--326},
     year = {1989},
     volume = {32},
     number = {3},
     doi = {10.4153/CMB-1989-046-4},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1989-046-4/}
}