@article{MZM_1989_46_3_a17,
     author = {S. E. Kozlov},
     title = {Estimates for the areas of spherical representations of two-dimensional surfaces in {Riemannian} manifolds},
     journal = {Matemati\v{c}eskie zametki},
     pages = {120--122},
     publisher = {mathdoc},
     volume = {46},
     number = {3},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1989_46_3_a17/}
}