@article{MZM_2012_92_6_a3,
     author = {V. N. Dubinin},
     title = {The {Gr\"otzsch} and {Teichm\"uller} {Extremal} {Problems} on a {Riemann} {Surface}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {834--843},
     publisher = {mathdoc},
     volume = {92},
     number = {6},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2012_92_6_a3/}
}