@article{IVM_2000_2_a3,
     author = {I. A. Bikchantaev},
     title = {The {Riemann} problem on an ultrahyperelliptic surface},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {19--31},
     publisher = {mathdoc},
     number = {2},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2000_2_a3/}
}