@article{MZM_1972_12_5_a9,
     author = {V. N. Grishin},
     title = {The theory of {Zermelo-Fraenkel} sets with {Hilbert} $\varepsilon$-terms},
     journal = {Matemati\v{c}eskie zametki},
     pages = {569--575},
     year = {1972},
     volume = {12},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1972_12_5_a9/}
}