@article{AA_2004_16_4_a1,
     author = {A. S. Belen'kii and Yu. D. Burago},
     title = {Bi-Lipschitz-equivalent {Aleksandrov} {surfaces.~I}},
     journal = {Algebra i analiz},
     pages = {24--40},
     publisher = {mathdoc},
     volume = {16},
     number = {4},
     year = {2004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2004_16_4_a1/}
}