@article{IVM_1977_2_a19,
     author = {M. F. Kulagina},
     title = {The solvability of the inhomogeneous {Riemann} problem in the case of a~countable set of contours},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {131--134},
     publisher = {mathdoc},
     number = {2},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1977_2_a19/}
}