@article{DAN_1965_162_2_a13,
     author = {S. Z. Shefel'},
     title = {On saddle surfaces bounded by a rectifiable curve},
     journal = {Doklady Akademii Nauk},
     pages = {294--296},
     publisher = {mathdoc},
     volume = {162},
     number = {2},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1965_162_2_a13/}
}