@article{KUKZ_1972_9_9_a3,
     author = {I. A. Bikchantaev},
     title = {On a boundary value problem for a higher order differential equation},
     journal = {Trudy seminara po kraevym zada\v{c}am},
     pages = {31--38},
     publisher = {mathdoc},
     volume = {9},
     number = {9},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUKZ_1972_9_9_a3/}
}