@article{DAN_1963_152_5_a0,
     author = {G. S. Barkhin and V. T. Fomenko},
     title = {On the single-valued determination of a piecewise regular surface of positive curvature with a boundary condition},
     journal = {Doklady Akademii Nauk},
     pages = {1023--1026},
     publisher = {mathdoc},
     volume = {152},
     number = {5},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_152_5_a0/}
}