@misc{UZMU_1959_186_186_a0,
     title = {Preface},
     journal = {Uchenye Zapiski Moskovskogo Gosudarstvennogo Universiteta},
     pages = {3--5},
     year = {1959},
     volume = {186},
     number = {186},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZMU_1959_186_186_a0/}
}