@article{DAN_1964_157_1_a4,
     author = {V. L. Golo},
     title = {Smooth structures on manifolds with boundary},
     journal = {Doklady Akademii Nauk},
     pages = {22--25},
     publisher = {mathdoc},
     volume = {157},
     number = {1},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1964_157_1_a4/}
}