@article{MAT_1957_1_3_a1,
     author = {J. Milnor},
     title = {On manifolds homeomorphic to the 7-sphere},
     journal = {Matematika},
     pages = {35--42},
     publisher = {mathdoc},
     volume = {1},
     number = {3},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MAT_1957_1_3_a1/}
}