@article{VMJ_2002_4_4_a4,
     author = {G. L. Lukankin},
     title = {he spatial {Riemann} problem for bicircular domains},
     journal = {Vladikavkazskij matemati\v{c}eskij \v{z}urnal},
     pages = {39--46},
     publisher = {mathdoc},
     volume = {4},
     number = {4},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMJ_2002_4_4_a4/}
}