@article{VMUMM_1990_2_a14,
     author = {Nazhib Mukalled},
     title = {Generalized homotopy and the {Aleksandrov--\v{C}ech} homology},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {64--66},
     publisher = {mathdoc},
     number = {2},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1990_2_a14/}
}