@article{UZKU_1965_125_1_a8,
     author = {A. S. Podkovyrin},
     title = {The minimal $X_4$ of the spaces $B_6$ admitting a~mapping onto developable $X_2$ of a~complex~$A_3$},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
     pages = {121--129},
     year = {1965},
     volume = {125},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZKU_1965_125_1_a8/}
}