@article{JMAG_2000_7_2_a4,
     author = {M. A. Kudryavtsev},
     title = {The {Riemann} problem with additional singularities},
     journal = {\v{Z}urnal matemati\v{c}eskoj fiziki, analiza, geometrii},
     pages = {196--208},
     year = {2000},
     volume = {7},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/JMAG_2000_7_2_a4/}
}