@article{DE_2006_42_6_a14,
     author = {D. B. Marchenkov},
     title = {Basis property in $L_p(0,1)$ of the system of eigenfunctions corresponding to a problem with a spectral parameter in the boundary condition},
     journal = {Differencialʹnye uravneni\^a},
     pages = {847--849},
     publisher = {mathdoc},
     volume = {42},
     number = {6},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2006_42_6_a14/}
}