@article{DAN_1991_318_3_a5,
     author = {Yu. A. Peshkichev},
     title = {Moduli of families of two-dimensional surfaces, and quasiconformal},
     journal = {Doklady Akademii Nauk},
     pages = {540--541},
     publisher = {mathdoc},
     volume = {318},
     number = {3},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_318_3_a5/}
}