@article{VSGTU_2016_20_2_a4,
     author = {M. V. Dolgopolov and I. N. Rodionova and V. M. Dolgopolov},
     title = {On one nonlocal problem for the {Euler{\textendash}Darboux} equation},
     journal = {Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences},
     pages = {259--275},
     year = {2016},
     volume = {20},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGTU_2016_20_2_a4/}
}