@article{VMUMM_1992_5_a0,
     author = {I. A. Dynnikov},
     title = {Homotopic classification of spherical spatial forms},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {3--8},
     publisher = {mathdoc},
     number = {5},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1992_5_a0/}
}