@article{INTO_1995_8_a2,
     author = {\`E. G. Poznyak and E. V. Shikin},
     title = {Small parameter in the theory of isometric imbeddings for two-dimensional {Riemannian} manifolds into {Euclidean} spaces},
     journal = {Itogi nauki i tehniki. Sovremenna\^a matematika i e\"e prilo\v{z}eni\^a. Temati\v{c}eskie obzory},
     pages = {59--107},
     publisher = {mathdoc},
     volume = {8},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/INTO_1995_8_a2/}
}