@article{SEMR_2020_17_a92,
     author = {K. S. Fayazov and Ya. K. Khudayberganov},
     title = {Ill-posed boundary value problem for mixed type system equations with two degenerate lines},
     journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a},
     pages = {647--660},
     publisher = {mathdoc},
     volume = {17},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SEMR_2020_17_a92/}
}