@article{KUKZ_1982_18_18_a7,
     author = {V. I. Zhegalov},
     title = {On the {Tricomi} problem with shift conditions and generalized conditions of piecewise matching},
     journal = {Trudy seminara po kraevym zada\v{c}am},
     pages = {61--68},
     publisher = {mathdoc},
     volume = {18},
     number = {18},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUKZ_1982_18_18_a7/}
}