@article{VMUMM_1993_5_a18,
     author = {O. G. Okunev and I. V. Yaschenko},
     title = {On spaces of continuous functions on separable $\sigma$-compact spaces},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {75--78},
     year = {1993},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1993_5_a18/}
}