@article{DE_1983_19_1_a19,
     author = {M. Kh. Shkhanukov},
     title = {Some boundary value problems for a third-order equation and extremal properties of its solutions},
     journal = {Differencialʹnye uravneni\^a},
     pages = {145--152},
     publisher = {mathdoc},
     volume = {19},
     number = {1},
     year = {1983},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1983_19_1_a19/}
}