@article{DAN_1970_192_6_a2,
     author = {M. L. Gromov},
     title = {Isometric imbeddings and immersions},
     journal = {Doklady Akademii Nauk},
     pages = {1206--1209},
     publisher = {mathdoc},
     volume = {192},
     number = {6},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1970_192_6_a2/}
}