@article{DE_1990_26_10_a18,
     author = {R. S. Makin},
     title = {On the completeness of root vectors of a linearized problem on the dynamics of nuclear reactors},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1800--1805},
     publisher = {mathdoc},
     volume = {26},
     number = {10},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1990_26_10_a18/}
}