@article{IM2_1994_42_3_a6,
     author = {A. M. Vdovin},
     title = {Extension of a new axiomatic set theory},
     journal = {Izvestiya. Mathematics },
     pages = {615--619},
     publisher = {mathdoc},
     volume = {42},
     number = {3},
     year = {1994},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1994_42_3_a6/}
}