@article{IVM_2017_11_a4,
     author = {M. Mirsaburov and S. T. Chorieva},
     title = {A problem with an analog of {Frankl} condition on the characteristics for {Gellerstedt} equation with singular coefficient},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {39--45},
     publisher = {mathdoc},
     number = {11},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2017_11_a4/}
}