@article{DE_2000_36_3_a12,
     author = {G. P. Paskalev},
     title = {A nonlocal boundary value problem for a higher-order mixed equation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {393--399},
     publisher = {mathdoc},
     volume = {36},
     number = {3},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2000_36_3_a12/}
}