@article{EMJ_2014_5_3_a4,
     author = {N. K. Mamadaliev},
     title = {Tricomi problem for an elliptic-hyperbolic equation of the second kind},
     journal = {Eurasian mathematical journal},
     pages = {80--92},
     publisher = {mathdoc},
     volume = {5},
     number = {3},
     year = {2014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EMJ_2014_5_3_a4/}
}