@article{VMUMM_1987_2_a14,
     author = {V. I. Ponomarev},
     title = {On the co-absoluteness of a space and its exponents},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {59--62},
     publisher = {mathdoc},
     number = {2},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1987_2_a14/}
}