@article{IVM_1981_3_a2,
     author = {\`E. N. Bereslavskii},
     title = {Conformal mapping, onto a~rectangle, of circular quadrangles with two straight lines and two arbitrary angles},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {16--20},
     publisher = {mathdoc},
     number = {3},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1981_3_a2/}
}