@article{DAN_1957_113_2_a7,
     author = {A. Matuzevi\v{c}ius},
     title = {Cross-sections of twofold fiber spaces},
     journal = {Doklady Akademii Nauk},
     pages = {272--275},
     publisher = {mathdoc},
     volume = {113},
     number = {2},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_113_2_a7/}
}