@article{DE_2004_40_10_a14,
     author = {R. S. Khairullin},
     title = {A problem for a mixed-type equation of the second kind},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1405--1411},
     publisher = {mathdoc},
     volume = {40},
     number = {10},
     year = {2004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2004_40_10_a14/}
}