@article{VSGTU_2017_21_3_a1,
     author = {I. N. Rodionova and V. M. Dolgopolov and M. V. Dolgopolov},
     title = {Delta-problems for the generalized {Euler--Darboux} equation},
     journal = {Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences},
     pages = {417--422},
     publisher = {mathdoc},
     volume = {21},
     number = {3},
     year = {2017},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/VSGTU_2017_21_3_a1/}
}