@article{DE_1977_13_3_a9,
     author = {V. I. Chesalin},
     title = {A problem with nonlocal boundary conditions for operator-differential equations of odd order},
     journal = {Differencialʹnye uravneni\^a},
     pages = {468--476},
     publisher = {mathdoc},
     volume = {13},
     number = {3},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1977_13_3_a9/}
}