%0 Journal Article %A È. N. Bereslavskii %T Conformal mapping, onto a~rectangle, of circular quadrangles with two straight lines and two arbitrary angles %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1981 %P 16-20 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1981_3_a2/ %G ru %F IVM_1981_3_a2