@article{FAA_2009_43_4_a1,
     author = {E. T. Akhmedov and Sh. R. Shakirov},
     title = {Gluings of {Surfaces} with {Polygonal} {Boundaries}},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {3--13},
     publisher = {mathdoc},
     volume = {43},
     number = {4},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_2009_43_4_a1/}
}