@article{VMUMM_1999_3_a11,
     author = {V. V. Fedorchuk and A. Ch. Chigogidze},
     title = {On the extension dimension of nonmetrizable manifolds},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {44--48},
     year = {1999},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1999_3_a11/}
}