@article{VMUMM_1998_5_a5,
     author = {A. N. Karpov},
     title = {Some relaxations of the {Lindel\"of} property and product},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {22--25},
     publisher = {mathdoc},
     number = {5},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1998_5_a5/}
}