@article{IVM_1973_6_a0,
     author = {E. P. Aksent'eva},
     title = {On the investigation of a~nonlinear boundary value problem of {Riemann} type},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {3--7},
     publisher = {mathdoc},
     number = {6},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1973_6_a0/}
}