@article{IVM_1980_12_a11, author = {M. H. Brenerman}, title = {The {Riemann} problem on a~countable set of convex contours that are condensed toward a~continuum}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {67--69}, year = {1980}, number = {12}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1980_12_a11/} }