@article{DE_1994_30_5_a13,
     author = {M. G. Karatopraklieva},
     title = {Regular solution of a nonlocal boundary value problem for an equation of mixed type},
     journal = {Differencialʹnye uravneni\^a},
     pages = {847--857},
     year = {1994},
     volume = {30},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1994_30_5_a13/}
}