@article{MZM_1974_16_4_a13,
     author = {Yu. E. Anikonov},
     title = {On the problem of determining the {Riemannian} metric $ds^2=\lambda^2(x)|dx|^2$},
     journal = {Matemati\v{c}eskie zametki},
     pages = {611--617},
     publisher = {mathdoc},
     volume = {16},
     number = {4},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1974_16_4_a13/}
}