@article{VMUMM_1991_1_a8,
     author = {E. V. Moiseev},
     title = {A theorem on homotopy lifting and characterization of certain soft maps},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {45--47},
     publisher = {mathdoc},
     number = {1},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1991_1_a8/}
}