@article{DAN_1973_212_6_a3,
     author = {M. S. Ioffe},
     title = {A certain problem of the calculus of variations in the large for conformal and quasiconformal embeddings of one finite {Riemann} surface into another},
     journal = {Doklady Akademii Nauk},
     pages = {1284--1286},
     publisher = {mathdoc},
     volume = {212},
     number = {6},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1973_212_6_a3/}
}